Influenza seasonal vaccine influenza vaccines. Medical search. Frequent questions

A yearly flu vaccination is the best way to reduce influenza illnesses, doctor visits, missed attendance at work or school, and prevent flu-related hospitalizations. (health.mil)
A robust influenza immunization program in the U.S. requires ongoing monitoring of potential adverse events associated with vaccination. (healthpartners.com)
3 Influenza vaccination can reduce illness from influenza, doctors' visits, missed work and school, as well as reduce flu-related hospitalizations and deaths. (prnewswire.com)
Influenza vaccination remains a critical public health tool during the ongoing COVID-19 pandemic, helping to not only reduce the risk of seasonal influenza but also decrease the burden of influenza on healthcare resources. (prnewswire.com)
The influenza vaccines were prepared by treating influenza viruses with a chemical that kills the virus (inactivated virus), and the vaccination was given by injection through the skin. (cochrane.org)
We were interested in showing the effects of vaccines on reducing the number of elderly with confirmed influenza, the number who had influenza-like symptoms such as headache, high temperature, cough, and muscle pain (influenza-like illness, of ILI), and harms from vaccination. (cochrane.org)
A person getting influenza and COVID-19 at the same time may be more seriously ill and has a higher risk of death, and seasonal influenza vaccination (SIV) may reduce the likelihood of hospitalisation and length of stay. (gov.hk)
The experts highly recommended members of the public, especially those high-risk individuals, to receive COVID-19 vaccination and seasonal influenza vaccination at the same time as soon as possible, to guard against the possible COVID-19 upsurge and flu season which may appear simultaneously. (gov.hk)
Make an appointment to receive the COVID-19 vaccine through the online booking system , then you can contact the PCVSs directly on the day of vaccination for arrangement to receive SIV. (gov.hk)
Additional guidance on influenza vaccination during the COVID-19 pandemic has been developed by PHAC and NACI. (canada.ca)
NACI recently reassessed the wording for the recommendation on the vaccination of health care workers (HCWs) and other care providers as a group for whom influenza vaccination is particularly recommended. (canada.ca)
The existing evidence on HCW influenza vaccination and the reduction of morbidity associated with influenza in patients being cared for by a HCW in health care settings was considered in the context of ethics and acceptability. (canada.ca)
NACI considers the receipt of influenza vaccination to be an essential component of the standard of care for all HCWs and other care providers for their own protection and that of their patients. (canada.ca)
This group should consider annual influenza vaccination as part of their responsibilities to provide the highest standard of care. (canada.ca)
In August 2008, the China CDC issued the 2008 'Guidelines for Influenza Prevention and Control Technology' that highlighted the positive public health implications of receiving the seasonal flu vaccine, the target population and the extension of the vaccination duration. (sinovac.com)
Of more immediate concern, experts warn that if Americans do not practice appropriate prevention measures such as seeking influenza vaccination, washing their hands, social distancing, and wearing a mask, circulating seasonal influenza and Covid-19 will exacerbate one another, adding further strain to an already overburdened health system. (csis.org)
vii The CDC released a report in mid-September predicting that Covid-19 interventions and influenza vaccination could reduce influenza transmission in the 2020-2021 season. (csis.org)
For example, only 49 percent of Americans got an influenza vaccination in 2018-2019. (csis.org)
To prevent seasonal flu, the Advisory Committee on Immunization Practices (ACIP) of the US Centers for Disease Control and Prevention (CDC) and the American Academy of Pediatrics (AAP) recommend routine annual influenza vaccination for all persons aged 6 months or older, preferably before the onset of influenza activity in the community. (medscape.com)
Specific recommendations for individuals who should be immunized can be obtained from the CDC, which publishes regular updates of this information (see Seasonal Influenza Vaccination Resources for Health Professionals ). (medscape.com)
Influenza vaccination should not be delayed to procure a specific vaccine preparation if an appropriate one is already available. (medscape.com)
2022. Prenatal Influenza Vaccination or Influenza Infection and Autism Spectrum Disorder in Offspring. (mothertobaby.org)
2022. Cost-effectiveness of influenza vaccination during pregnancy. (mothertobaby.org)
2015. A/H1N1 pandemic influenza vaccination: A retrospective evaluation of adverse maternal, fetal and neonatal outcomes in a cohort of pregnant women in Italy. (mothertobaby.org)
2019. Association between seasonal influenza vaccination with pre- and postnatal outcomes. (mothertobaby.org)
2013. Risk of fetal death after pandemic influenza virus infection or vaccination. (mothertobaby.org)
2022. Effects of vaccination against influenza, pertussis, and COVID-19 on human milk antibodies: Current evidence and implications for health equity. (mothertobaby.org)
2017. Association between pandemic influenza A (H1N1) vaccination in pregnancy and early childhood morbidity in offspring. (mothertobaby.org)
2017. First trimester influenza vaccination and risks for major structural birth defects in offspring. (mothertobaby.org)
2014. Rates and determinants of seasonal influenza vaccination in pregnancy and association with neonatal outcomes. (mothertobaby.org)
2015. Maternal vaccination against H1N1 influenza and offspring mortality: population-based cohort study and sibling design. (mothertobaby.org)
We sought to examine the effectiveness of influenza vaccination against admission to hospital for acute cardiovascular and respiratory conditions and all-cause death in people with type 2 diabetes. (cmaj.ca)
In this cohort of patients with type 2 diabetes, influenza vaccination was associated with reductions in rates of admission to hospital for specific cardiovascular events. (cmaj.ca)
4 For decades, vaccination has been the principal strategy to control influenza and its severe complications in older adults and patients with chronic illnesses, who account for most influenza-attributable deaths. (cmaj.ca)
1 Current influenza vaccination programs were implemented based on studies that involved healthy adults in the 1960s, which suggested 70%-90% vaccine efficacy. (cmaj.ca)
The good news is that making access to vaccination more convenient created a greater than 3 fold increase in the number of swine workers becoming vaccinated for seasonal influenza. (onehealthinitiative.com)
None of the European Union (EU) Member States could demonstrate that they reach the EU target of 75% influenza vaccination coverage for vulnerable groups, according to a new report from the European Centre for Disease Prevention and Control (ECDC). (europa.eu)
Influenza vaccination coverage remains low in many countries, and leads to severe disease, hospitalisations and premature deaths. (europa.eu)
Influenza vaccination coverage rates for the 2015-16, 2016-17 and 2017-18 seasons were provided by 19 Member States. (europa.eu)
The results of this survey have shown that achieving high vaccination coverage rates for those particularly at risk of developing severe complications remains a serious public health challenge" says Pasi Penttinen, ECDC Head of Influenza Disease Programme . (europa.eu)
The best way to prevent or minimize severe disease from influenza among vulnerable groups is timely vaccination, even though the effectiveness of the vaccine varies depending on the virus in circulation. (europa.eu)
Whether the newer vaccines and vaccination strategies will provide better overall protection will be studied by ECDC in the coming winter seasons. (europa.eu)
For patients with severe influenza, or those unable to respond to vaccination due to disease or treatment affecting the immune system, the use of influenza antivirals may be life-saving. (europa.eu)
Countries that do not yet have a seasonal influenza vaccination action plan to achieve higher seasonal influenza vaccination coverage rates are encouraged to develop and adopt such a plan, document or policy. (europa.eu)
Influenza vaccine and COVID-19 vaccine overlapped in target populations , vaccination time , and inoculation units. (bvsalud.org)
This review summarized domestic and international vaccination policies and research progress, and put forward corresponding suggestions in order to provide scientific support for the formulation of vaccination strategy on seasonal influenza vaccine and COVID-19 vaccine . (bvsalud.org)
Vaccination is the most effective way to prevent seasonal influenza and its severe outcomes. (who.int)
The objective of our study was to synthesize information on seasonal influenza vaccination policies, recommendations and practices in place in 2011 for all countries and areas in the Western Pacific Region of the World Health Organization (WHO). (who.int)
Data were collected via a questionnaire on seasonal influenza vaccination policies, recommendations and practices in place in 2011. (who.int)
Eighteen (50%) reported having established seasonal influenza vaccination policies, an additional seven (19%) reported having recommendations for risk groups for seasonal influenza vaccination only and 11 (30%) reported having no policies or recommendations in place. (who.int)
In light of the new WHO position paper on influenza vaccines published in 2012 and the increasing availability of country-specific data, countries and areas should consider reviewing or developing their seasonal influenza vaccination policies to reduce morbidity and mortality associated with annual epidemics and as part of ongoing efforts for pandemic preparedness. (who.int)
2 The most effective way to prevent seasonal influenza and its severe outcomes is through vaccination, and safe and effective vaccines have been used for more than 60 years. (who.int)
8,9 Despite the Western Pacific Region contributing more than 76% of the total virus isolates submitted to the WHO Global Influenza Surveillance Response and System (GISRS) between 1998 and 2010 for vaccine strain selection, 10 influenza vaccination programmes have not been established consistently throughout the Region. (who.int)
These programmes facilitate governments' health policies for influenza vaccination and provide the mechanisms for ensuring the target groups for vaccination actually receive vaccines. (who.int)
We have been waiting for COVID-19 vaccines to be approved for use in the US for younger children, and the CDC recommended vaccination of 5-11 year-old children on November 2, 2021. (ucdavis.edu)
Elderly adults over 65 years of age are recommended to receive seasonal influenza vaccination as they are at a higher risk of infection and its complications than the younger community. (frontiersin.org)
The elderly are often stratified according to frailty status where frail individuals are more susceptible to adverse health outcomes than their non-frail counterparts, however, it is not known whether immunity induced by influenza vaccination is impaired in the frail elderly. (frontiersin.org)
With most subjects lacking previous history of influenza vaccination, the pre-vaccination titres were likely due to natural exposure and seen to match the pattern of influenza subtype prevalence in the time period of vaccination. (frontiersin.org)
The majority of the elderly subjects seroconverted for seasonal influenza upon vaccination, and importantly, influenza vaccination-induced humoral immune responses and seroprotection were similar across the frailty strata, indicating that frail individuals may also benefit from influenza vaccination. (frontiersin.org)
An influenza vaccine causes antibodies to develop in the body about two weeks after vaccination. (theglobalnewspress.com)
Influenza vaccination rates increased considerably in the COVID-19 pandemic as health departments and experts along with government programs encouraged people to get vaccinated against flu while providing free vaccination against flu. (theglobalnewspress.com)
The goal of this work is to better understand if adults with Down syndrome are well protected against influenza following vaccination. (mdpi.com)
MF59 enhanced the magnitude and kinetics of serum antibody titers following vaccination, and induced a greater frequency of vaccine specific, multicytokine-producing CD4(+) T cells. (ox.ac.uk)
These findings demonstrate that MF59 enhances the magnitude, kinetics, and consistency of the innate and adaptive response to vaccination with the seasonal influenza vaccine during early childhood, and identify potential molecular correlates of antibody responses. (ox.ac.uk)
No serious suspected ADRs were reported at any time post-vaccination, and the ADR rates were comparable to those reported for IIV4 in the 2018/19 seasonal assessment. (biomedcentral.com)
School-located influenza vaccination programs have the potential to mass-vaccinate all enrolled children, but will parents give consent? (medscape.com)
Predictors of acceptance of H1N1 influenza vaccination by FDNY firefighters and EMS workers. (cdc.gov)
We undertook this study to assess the 2009-2010 H1N1 vaccination rates in approximately 14,000 firefighters and emergency medical service (EMS) workers at the Fire Department of New York (FDNY) and to determine predictors of H1N1 vaccine acceptance. (cdc.gov)
Since 2005, FDNY offers free, voluntary seasonal influenza vaccination during routine medical monitoring/treatment examinations and at FDNY-BIOPOD. (cdc.gov)
Workers who accepted prior seasonal influenza vaccinations were 4 times more likely to accept H1N1 vaccination (AOR=4.4, CI(95)=4.0-4.8). (cdc.gov)
Prior seasonal vaccine acceptance and vaccination in a group setting such as FDNY-BIOPOD dramatically increased acceptance of the H1N1 vaccine. (cdc.gov)
The American Academy of Pediatrics recommends annual influenza vaccination of all children without medical contraindi- cations starting at 6 months of age. (cdc.gov)
Antiviral chemoprophylaxis is recommended for the prevention of influenza virus infection as an adjunct to vaccination in certain individuals, especially exposed children who are at high risk for To cite: AAP Committee on Infectious Diseases. (cdc.gov)
report on assessment of the efficiency of public health-managed large-scale vaccination clinics, referred to as points of dispensing, or PODs, to administer pandemic H1N1 vaccine in densely populated Los Angeles County, California, USA. (cdc.gov)
The New York City experience demonstrates the feasibility and potential usefulness of expanding mandatory IIS reporting to all types of providers during a pandemic influenza vaccination program as a means of monitoring progress and managing supply and distribution. (cdc.gov)
conducted during the 2009 influenza A (H1N1) pandemic, the inherent difficulty of projecting demand for vaccination, combined with delays and uncertainty around the timing of availability of pandemic H1N1 vaccine, were serious challenges for the vaccination program and for its evaluation. (cdc.gov)

Influvac Influvac Tetra They contain inactivated purified surface fragments (subunits) from the three different strains of the influenza virus (A/H1N1, A/H3N2, and Influenza B virus) that are selected and distributed by the World Health Organization, on the basis of their latest recommendations. (wikipedia.org)
BACKGROUND: The emergence of pandemic H1N1 influenza virus in early 2009 prompted the rapid licensure and use of H1N1 monovalent inactivated (MIV) and live, attenuated (LAMV) vaccines separate from seasonal trivalent inactivated (TIV) and live, attenuated (LAIV) influenza vaccines. (healthpartners.com)
PURPOSE: To prospectively conduct safety monitoring of H1N1 and seasonal influenza vaccines during the 2009-2010 season. (healthpartners.com)
CONCLUSIONS: No major safety problems following H1N1 or seasonal influenza vaccines were detected in the 2009-2010 season in weekly sequential analyses. (healthpartners.com)
Pandemic vaccine contains only the virus strain that is responsible for the pandemic (e.g. the type A H1N1 for the 2009 to 2010 pandemic). (cochrane.org)
The seasonal influenza vaccine will not protect against the 2009 H1N1 influenza virus. (healthnewstrack.com)
The FDA continues to work with manufacturers, international partners and other government agencies to facilitate the availability of a safe and effective vaccine against the 2009 H1N1 influenza virus. (healthnewstrack.com)
2013. Risks and safety of pandemic H1N1 influenza vaccine in pregnancy: birth defects, spontaneous abortion, preterm delivery, and small for gestational age infants. (mothertobaby.org)
2020. Maternal influenza A(H1N1) immunization during pregnancy and risk for autism spectrum disorder in offspring : a cohort study. (mothertobaby.org)
however, 2009 influenza A (H1N1) and influenza B viruses also circulated, and the predominant virus varied by U.S. Department of Health and Human Service (HHS) region and week. (cdc.gov)
17,599(62%) were influenza A (H3N2) viruses, and 10,946 (38%) were 2009 influenza A (H1N1) viruses. (cdc.gov)
Although influenza A (H3N2) viruses predominated, 2009 influenza A (H1N1) and influenza B viruses also circulated widely. (cdc.gov)
The proportion of 2009 influenza A (H1N1) viruses increased nationally, beginning in January, and peaked during the week ending February 20, 2011, when 49% of all subtyped influenza A viruses were 2009 influenza A (H1N1) viruses. (cdc.gov)
Although during this time influenza A (H3N2) viruses still predominated nationally, 2009 influenza A (H1N1) predominated in five of the 10 regions (Regions 3, 4, 5, 8, and 9) for 5--7 consecutive weeks, ranging from the week ending January 15 to the week ending April 2, 2011. (cdc.gov)
Those have included 613 2009 influenza A (H1N1) viruses, 1,139 influenza A (H3N2) viruses, and 742 influenza B viruses. (cdc.gov)
In the Western Pacific Region of the World Health Organization (WHO), awareness of the public health importance of influenza and the need for pandemic preparedness has increased in recent years motivated by the re-emergence of highly pathogenic avian influenza A(H5N1) in 2003-2004 and subsequently by the occurrence of the influenza A(H1N1) pandemic in 2009. (who.int)
Two hundred and five elderly subjects of Chinese ethnicity in Singapore (mean age 73.3 ± 5.3 years, 128 females and 77 males) were administered the recommended trivalent inactivated 2013-14 seasonal influenza vaccine (Vaxigrip™) containing A/H1N1, A/H3N2, and B strains. (frontiersin.org)
This household study identifies risk factors of infection by the pandemic influenza A/H1N1. (medscape.com)
In 2009, FDNY-BIOPOD instead offered the H1N1 vaccine. (cdc.gov)
In addition to describing activities undertaken during the 2009 influenza A (H1N1) pandemic and subsequent program evaluation and lessons learned, the articles highlight the critical role for scientific evaluation in improving our ability to respond to emergencies. (cdc.gov)
Immunization Registry to capture information about pandemic H1N1 vaccine doses administered during the response. (cdc.gov)

Influenza viruses change from year to year, so influenza vaccines must be updated annually to include the viruses that will most likely circulate in the upcoming season. (cdc.gov)
Once the viruses are selected for the new formulation, private manufacturers produce, test, release and distribute influenza vaccine. (cdc.gov)
The seasonal influenza vaccine is designed to protect against the influenza viruses determined by the World Health Organization (WHO) to be the most likely to spread and cause illness among people during the influenza season. (health.mil)
The U.S. Food and Drug Administration makes the final decision about vaccine viruses included in influenza vaccines in the United States. (health.mil)
Real world studies of influenza vaccines provide critical evidence for understanding the impact of annual immunization linked to the circulating viruses in the community," said Stephen I. Pelton , MD, Professor of Pediatrics at Boston University School of Medicine and Public Health & Boston Medical Center, and study author. (prnewswire.com)
At best, vaccines are only effective against influenza A and B, which represent about 5% of all circulating viruses. (cochrane.org)
Inactivated vaccine is prepared by treating influenza viruses with a specific chemical agent that 'kills' the virus. (cochrane.org)
Final preparations may contain either the complete viruses (whole-virion vaccine) or the active part of them (split or subunit vaccines). (cochrane.org)
ABSTRACT The World Health Organization (WHO) formulates recommendations for viruses to be included in vaccines for the influenza seasons in the northern and southern hemispheres on the basis of analyses by its collaborating centres (CCs). (who.int)
However, due to antigenic drift in influenza viruses, vaccines need to be updated every year to protect against the circulating strains of the virus. (researchsquare.com)
While the Covid-19 crisis is far from over, we cannot afford to be complacent about what has long been understood to be a principal health security threat: influenza viruses. (csis.org)
Seasonal influenza is defined as predictable outbreaks of respiratory disease caused by various influenza viruses that spread from person to person. (csis.org)
Historically, influenza vaccine has had 50-60% efficacy against infection with influenza A viruses and 70% efficacy against influenza B viruses. (medscape.com)
Influenza vaccine component recommendations are based on numerous factors, including global influenza virologic and epidemiologic surveillance, genetic and antigenic characterization, antiviral susceptibility, and the availability of candidate vaccine viruses for production. (medscape.com)
From early November though early December, influenza B viruses accounted for 40%--49% of influenza viruses reported nationally, with the largest numbers reported from the southeastern states (HHS Region 4). (cdc.gov)
Influenza B viruses were predominant in Region 4 from early November through late December. (cdc.gov)
All five cases were infected with swine-origin influenza A (H3N2) viruses. (cdc.gov)
Since October 1, 2010, CDC has antigenically characterized 2,494 influenza viruses submitted by U.S. laboratories. (cdc.gov)
Influenza is an infectious respiratory disease caused by the influenza viruses . (bvsalud.org)
The co-infection of Coronavirus Diseases 2019 (COVID-19) with influenza viruses could lead to the complication of prevention, diagnosis , control, treatment , and recovery of COVID-19. (bvsalud.org)
The Region currently has three WHO Collaborating Centres for Reference and Research on Influenza and 21 National Influenza Centres in 15 countries that monitor the impact and evolution of influenza viruses and provide isolates for global vaccine strain selection and formulation. (who.int)
Candidate influenza vaccine viruses (H5N1). (who.int)
These are influenza viruses developed and modified by reverse genetics by WHO Collaborating Centres and the National Institute of Biological Standards and Control (United Kingdom of Great Britain and Northern Ireland) for influenza vaccine development. (who.int)
Candidate influenza vaccine viruses (seasonal). (who.int)
These are influenza viruses approved by WHO as suitable for making influenza vaccine. (who.int)
Most are modified in seasonal vaccine virus reassortment laboratories by "classical" reassortment from WHO-recommended viruses. (who.int)
This is a non-patented laboratory technique that is often used to make (seasonal) candidate vaccine viruses. (who.int)
In this process genes from two or more influenza viruses are mixed in different combinations, resulting in hybrid viruses with genetic characteristics of each parent virus. (who.int)
These are influenza viruses that have been genetically modified to grow better in eggs for optimal vaccine production. (who.int)
Influenza reference viruses. (who.int)
These are wild-type influenza viruses that WHO has selected as representative of important groups of influenza viruses on the basis of extensive antigenic and genetic studies and comparisons with viruses from many countries. (who.int)
As the influenza viruses evolve in nature, new reference viruses are selected. (who.int)
Type A influenza viruses are further classified according to their combinations of haemagglutinin (H) and neuraminidase (N) antigens (i.e. specific proteins on the virus surface), e.g. (who.int)
This term refers to human influenza viruses that have haemagglutinin and neuraminidase antigens that are distinct from seasonal influenza viruses and have the potential to cause a pandemic. (who.int)
This is a laboratory technique that is used to construct or modify influenza viruses and is protected by patents in several countries. (who.int)
These are influenza viruses prepared from candidate influenza vaccine viruses by individual manufacturers for the manufacturer's specific vaccine-production process. (who.int)
These kits consist of inactivated influenza reference viruses or purified protein from reference viruses and corresponding antibodies, and are used for the identification of influenza viruses. (who.int)
WHO-recommended viruses for vaccine use. (who.int)
These are wild-type influenza viruses that are recommended by WHO as the basis for an influenza vaccine. (who.int)
Wild-type influenza viruses (synonym: virus isolates). (who.int)
These are influenza viruses that have been cultured either in eggs or cells (i.e. isolated) directly from clinical specimens and have not been modified. (who.int)
An influenza vaccine refers to the vaccines, which protect against infection by influenza viruses. (theglobalnewspress.com)
These antibodies provide protection against infection with the viruses that are used to make vaccines. (theglobalnewspress.com)
This vaccine type is designed to protect against four different flu viruses, including influenza-A and influenza-B. Factors such as high efficiency coupled with larger demand for these products to protect viruses will support the segment growth to a great extent. (theglobalnewspress.com)
they look only at influenza infections and make no attempt to look at the other 200-plus respiratory viruses. (bmj.com)
Individuals who recover from influenza can have broad and long-lasting protection against an array of influenza viruses. (bmj.com)
How does the early occurrence of influenza epidemics impact outbreaks of other common seasonal viruses? (medscape.com)
Still, such evolutions are to be expected for many viruses, such as seasonal influenza. (medscape.com)

Vaxigrip provides immune responses to three influenza strains and VaxigripTetra adds another B strain. (wikipedia.org)
7 There are several factors that can impact seasonal influenza vaccine effectiveness, which may include mismatch between circulating strains and the influenza strains contained within the seasonal influenza vaccine. (prnewswire.com)
7 This may lead to a mismatch between the circulating strains and the inactivated influenza strains contained within the seasonal influenza vaccine. (prnewswire.com)
Cell-based influenza vaccines like QIVc are designed to help avoid egg-adapted changes and may result in vaccine virus strains that are more closely matched to those selected by the World Health Organization. (prnewswire.com)
The virus strains contained in the vaccine are usually those that are expected to circulate in the following epidemic seasons (two type A and one or two B strains), which are recommended by the World Health Organization (seasonal vaccine). (cochrane.org)
Based on those forecasts and on the recommendations of the FDA's Vaccine and Related Products Advisory Committee, the FDA determines the three strains that manufacturers should include in their vaccines for the U.S. population. (healthnewstrack.com)
The closer the match between the circulating strains and the strains in the vaccine, the better the protection against the disease. (healthnewstrack.com)
Even if the vaccine and the circulating strains are not an exact match, the vaccine may reduce the severity of the illness or may help prevent influenza-related complications. (healthnewstrack.com)
Influenza vaccine provides reasonable protection against immunized strains. (medscape.com)
2 strains of influenza A and 2 of influenza B are included for the quadrivalent flu vaccines. (medscape.com)
Vaccines against seasonal influenza are reformulated annually to contain the most recently circulating strains. (medscape.com)
The vaccine viral strains recommended by the World Health Organization and the Centers for Disease Control and Prevention (CDC) for the 2023-2024 Northern Hemisphere influenza season differ from those from the previous influenza season. (medscape.com)
Next-generation vaccines that utilize T cells could potentially overcome the limitations of current influenza vaccines that rely on antibodies to provide narrow subtype-specific protection and are prone to antigenic mismatch with circulating strains. (mdpi.com)
This has provided hope for the design of a universal vaccine able to prime against diverse influenza virus strains and subtypes. (mdpi.com)
These new vaccines contain four influenza strains or an adjuvant. (europa.eu)
Vaxigrip Tetra®, Sanofi Pasteur) was licensed in the European Union (EU) for use in adults and children from 6 months of age, offering broad protection against influenza through the inclusion of two influenza A and two influenza B virus strains [ 6 ]. (biomedcentral.com)
2 strains of influenza A and 1 of influenza B are included for trivalent vaccinees. (medscape.com)
The quadrivalent influenza vaccines contain an additional B strain, B/Brisbane/60/2008-like (B/Victoria lineage), in addition to the 3 viral strains listed above. (medscape.com)

Pre-existing antibodies due to natural exposure appeared to positively influence vaccine-induced antibody responses. (frontiersin.org)
Laboratory analysis of blood samples taken from 20 individuals who had received Pfizer's vaccine found that antibodies successfully warded off the virus variant. (medscape.com)

Prevention and Control of Seasonal Influenza with Vaccines: Recommendations of the Advisory Committee on Immunization Practices - United States, 2023-2024 Influenza Season has been published. (cdc.gov)
The DHA has embarked on its annual influenza immunization drive. (health.mil)
Immunization against influenza and COVID-19 are required for Service members and health care personnel. (health.mil)
Additionally, influenza immunization of health care personnel is important in protecting them and others from influenza. (healthnewstrack.com)
This document, the "Advisory Committee Statement: Canadian Immunization Guide Chapter on Influenza and National Advisory Committee on Immunization (NACI) Statement on Seasonal Influenza Vaccine for 2020-2021", updates NACI's recommendations regarding the use of seasonal influenza vaccines. (canada.ca)
The ACIP's Adult Immunization Schedule for influenza vaccine includes information about the recombinant influenza vaccine and addresses the use of this vaccine and the inactivated influenza vaccine in patients with egg allergy. (medscape.com)
2010. Prevention and control of influenza with vaccines: recommendations of the Advisory Committee on Immunization Practices (ACIP). (mothertobaby.org)
2010. Update: Recommendations of the Advisory Committee on Immunization Practices (ACIP) regarding use of CSL Seasonal Influenza Vaccine (Afluira) in the United States During 2010-11. (mothertobaby.org)
PURPOSE The Centre for Immunization and Respiratory Infectious Diseases of the Public Health Agency of Canada (PHAC) submitted a query regarding the safety and effectiveness of fractional dosing of seasonal influenza vaccines through the Canadian Institutes of Health Research (CIHR) Drug Safety and Effectiveness Network (DSEN). (paho.org)
Most private payers are required to cover zoster vaccines for patients 50-64 years of age as recommended by the Advisory Committee on Immunization Practices (ACIP). (amga.org)
The aim of this surveillance was to assess the quadrivalent inactivated split-virion influenza vaccine (IIV4) during routine immunization in Finland, as per the national immunization program for 2019/20. (biomedcentral.com)
Therefore, this current surveillance aims to address the requirements of the EPSS for IIV4 during routine immunization, as per the national immunization program in Finland for the influenza season 2019/20. (biomedcentral.com)
Refer to https://www.who.int/teams/immunization-vaccines-and-biologicals/policies/position-papers for most recent version of this table and position papers. (who.int)

Current studies demonstrate that QIVc provides significantly higher effectiveness, compared with standard dose egg-based quadrivalent influenza vaccine, in preventing all-cause hospitalizations and hospitalizations/ER visits related to any respiratory events including pneumonia and asthma/COPD/bronchial events. (prnewswire.com)
We evaluated the immunogenicity, safety and clinical effectiveness of an MF59(®)-adjuvanted trivalent influenza vaccine (aTIV) compared with a non-adjuvanted vaccine (TIV) in subjects ≥65 years old, with or without co-morbidities. (nih.gov)
Influenza vaccine effectiveness could be improved by combination with an adjuvant with the potential to enhance the host-vaccine response both quantitatively and qualitatively. (researchsquare.com)
The current evidence for the administration of intramuscular influenza vaccines suggests there is no significant difference in safety and clinical effectiveness with the use of low-dose compared to full-dose vaccines, which is promising given the predicted resource constraints in the upcoming influenza season due to the 2019 novel coronavirus. (paho.org)
In order to limit the scope of the work and ensure the rapid timeline could be met, this review focused only on intramuscular vaccine formulations, thus the research question was as follows: What is the safety and effectiveness of using fractional dosing strategies to deliver intramuscular seasonal influenza vaccines? (paho.org)
Most flu manufacturers, in the vaccine's manufacturers inserts, state that the effectiveness and safety of their vaccine has not been tested in pregnant women. (parentingpatch.com)

For these reasons, it is critical that the United States strengthens its influenza vaccine infrastructure and encourages vaccine confidence and demand immediately-even as it grapples with another viral crisis. (csis.org)
Influenza is an acute viral infection transmitted person to person predominately through droplet spread. (who.int)
Influenza commonly known as flu is a viral infection that attacks the respiratory system where an infected individual suffers from muscle aches, fever, runny nose, congestion, cough, headaches, and fatigue. (theglobalnewspress.com)
Table 2 in Kelly et al, Pediatr Infect Dis J 2011;30:107)….A randomized placebo-controlled trial in Hong Kong children found that flu shots increased the risk of noninfluenza viral ARIs fivefold (OR 4.91,CI 1.04-8.14) and, including influenza, tripled the overall viral ARI risk (OR 3.17, CI 1.04-9.83). (bmj.com)

2013. Trivalent inactivated influenza vaccine and spontaneous abortion. (mothertobaby.org)
In the study entitled "Adverse events in pregnant women following administration of trivalent inactivated influenza vaccine and live attenuated influenza vaccine in the Vaccine Adverse Event Reporting System, 1990-2009" as published in the American Journal of Obstetrics & Gynecology , the researchers searched the Vaccine Adverse Event Reporting System (VAERS) for reports of adverse reactions to either the inactivated flu vaccine or the attenuated flu vaccine between 1990 and 2009. (parentingpatch.com)
Here we applied systems approaches to investigate the innate and adaptive responses to trivalent inactivated influenza vaccine (TIV) and MF59-adjuvanted TIV (ATIV) in 90 14- to 24-mo-old healthy children. (ox.ac.uk)

The father had a nasopharyngeal swab positive for swine-origin influenza A (H3N2) virus and had direct swine exposure 6 days before illness onset. (cdc.gov)
The child, whose infection with influenza A (H3N2) virus was confirmed several weeks later by serologic testing, did not have direct swine exposure, and most likely acquired infection from close contact with her father. (cdc.gov)
the vaccine had 47% efficacy against the predominant influenza A H3N2 subtype and 67% efficacy against influenza B virus infections. (medscape.com)

COVID-19 vaccines can be co-administered with, or at any time before or after SIV (including inactivated influenza vaccine, live attenuated influenza vaccines and recombinant influenza vaccine) under informed consent. (gov.hk)
Recombinant influenza vaccine-use item that mimics part of the virus. (epnet.com)

[ 44 , 45 ] The ACIP also publishes recommendations on the use of antiviral agents for prevention and treatment of influenza. (medscape.com)
This statement updates the recommendations of the American Academy abstract of Pediatrics for the routine use of influenza vaccine and antiviral medications in the prevention and treatment of influenza in children during the 2023-2024 influenza season. (cdc.gov)
Antiviral treatment of influenza is recommended for children with the organizations or government agencies that they represent. (cdc.gov)
[ 51 ] The ACIP also publishes recommendations on the use of antiviral agents for prevention and treatment of influenza. (medscape.com)

Live attenuated influenza vaccine (LAIV) has been authorized for use in Canada since 2011, and was previously considered contraindicated by NACI in individuals with HIV. (canada.ca)
2021. Live Attenuated Influenza Vaccine [LAIV] (The Nasal Spray Flu Vaccine) https://www.cdc.gov/flu/prevent/nasalspray.htm [Accessed 8/2021]. (mothertobaby.org)
Influenza vaccine is also available as a nasal spray (FluMist) that contains live, attenuated influenza virus (LAIV). (medscape.com)

The relative proportion of each type and subtype of influenza virus varied by region and week. (cdc.gov)
Novel (new) subtype of human influenza A virus. (who.int)

This report describes the contribution of influenza laboratories and national influenza centres in countries in the WHO Region for the Eastern Mediterranean to the selection process of seasonal and pre-pandemic influenza virus subtypes. (who.int)
National Influenza Centres (NICs) in 12 countries (55%) reported data, 5 (23%) to both FluNet and FluID and 7 (32%) only to FluNet. (who.int)
It comprises National Influenza Centres, WHO Collaborating Centres on influenza and WHO H5 Reference Laboratories. (who.int)

The DNA for the hemagglutinin antigen of influenza virus is added to a baculovirus. (wikipedia.org)
Protective anti-influenza immunity often correlates with antibody responses to influenza surface glycoproteins, particularly hemagglutinin (HA), the main antigenic determinant on the surface of both influenza virus and infected cells. (researchsquare.com)
Previously it was shown that the same information is encoded in the primary structure of the hemagglutinin subunit 1 (HA1) from pdmH1N1 influenza A virus. (utmb.edu)
The intramuscular (IM) form contains 45 µg of influenza hemagglutinin per 0.5 mL. (medscape.com)
The intradermal dosage form contains 27 µg of influenza hemagglutinin per 0.1 mL. (medscape.com)

Influenza or "flu" is a highly contagious respiratory illness that can potentially result in hospitalization or death. (health.mil)
1 This retrospective cohort analysis indicated QIVc was more effective in reducing hospitalizations/emergency room (ER) visits caused by influenza, respiratory related hospitalizations/ER visits and all-cause hospitalizations compared with an egg-based quadrivalent influenza vaccine (QIVe) among individuals 4-64 years of age during the 2018/19 U.S. influenza season. (prnewswire.com)
For influenza, most commonly, clinical specimens are taken from the respiratory tract (for example, swabs and aspirated fluid) but they can be from other locations. (who.int)
Overall, the vaccine increased the risk of virus-associated acute respiratory illness, including influenza, by 73% (OR 1.73, CI 0.99-3.03). (bmj.com)
What are the diagnostic practices for influenza and other respiratory virus in U.S. hospitals and laboratories? (medscape.com)

According to the CDC, "a study published in the New England Journal of Medicine [in August, 2014] indicated that the high-dose vaccine was 24.2% more effective in preventing flu in adults 65 years of age and older relative to a standard-dose vaccine. (wikipedia.org)
Older adults receiving the influenza vaccine may experience less influenza over a single season, from 6% to 2.4%, meaning that 30 people would need to be vaccinated with inactivated influenza vaccines to avoid one case of influenza. (cochrane.org)
This study includes 3 parts: Parts A, B, and C. The purpose of this study is to evaluate the immunogenicity and safety of mRNA-1010 seasonal influenza vaccine in adults. (clinicaltrials.gov)
Flucelvax® Quad is a mammalian cell culture-based, inactivated seasonal influenza vaccine that has recently been authorized for use in Canada in adults and children ≥9 years of age. (canada.ca)
v In preparation, the CDC has purchased 9.3 million additional doses of influenza vaccines for uninsured adults as compared to last year's 500,000. (csis.org)
Due to the low number of studies in adults and the lack of studies assessing confirmed influenza and influenza-like illness, there remains a need for further evaluation. (paho.org)
4 The same review reported that trivalent inactivated influenza vaccines had an efficacy of 59% (95% confidence interval: 51%-67%) in healthy adults 18-65 years of age and provided significant protection against medically attended influenza. (who.int)
E.g., the UK has planned to expand the influenza program to provide free influenza vaccine for the first time to all adults 50-64 years of age, people on the shielded patient list, and their household members and children in the first year of secondary school. (theglobalnewspress.com)
Furthermore, the protection in adults who still carry the imprint from childhood may be subverted by the seasonal flu vaccine. (bmj.com)
On June 8, 2021, a 20-valent pneumococcal conjugate vaccine (PCV20, Pfizer) was licensed for use in adults aged ≥18 years. (cdc.gov)
Unlike previous conjugate vaccine formulations, PCV20 was licensed for adults before submission for licensure in children. (cdc.gov)
Two pneumococcal vaccines (13-valent pneumococcal conjugate vaccine [PCV13] and 23-valent pneumococcal polysaccharide vaccine [PPSV23]) were recommended for use in adults, and the recommendations varied by age- and risk-groups. (cdc.gov)
The ACIP Pneumococcal Vaccines Work Group reviewed available data to inform the use of PCV20 in adults and identify policy options that maximize pneumococcal disease prevention among adults, reduce disparity, and simplify recommendations to improve vaccine uptake. (cdc.gov)
adults with immunocompromising conditions, cochlear implant or CSF leak were recommended to receive a dose of 13-valent pneumococcal polysaccharide vaccine (PCV13) followed by PPSV23 at least 8 weeks later [3]. (cdc.gov)
In New York City, a substantial outreach and education program was necessary to incorporate providers of vaccines to adults and others not accustomed to IIS reporting into the program to acquire the most comprehensive and timely information possible about vaccine doses administered. (cdc.gov)

This vaccine is intended for people 65 and over, who typically have weakened immune response due to normal aging. (wikipedia.org)
The vaccine produces a greater immune response than standard vaccine. (wikipedia.org)
This study details the benefit of adjuvants that target multiple innate immune receptors to shape the host vaccine response. (researchsquare.com)
Therefore, there is an urgent need for a better cost-effective influenza vaccine which can induce antigenically broader and long-lasting immune response. (researchsquare.com)
Immune responses to vaccines and adverse events may differ between males and females, but most studies do not report results by sex. (nyu.edu)
Pneumococcal vaccines for Medicare patients require that the ACIP-recommended intervals are observed between doses for reimbursement as well as for maximum immune response. (amga.org)
Evidence from animal models shows that T cells can provide heterosubtypic protection and are crucial for immune control of influenza virus infections. (mdpi.com)

Vaccine manufacturers have projected that they will supply the United States with as many as 156.2 million to 170 million doses of influenza vaccines for the 2023-2024 season. (cdc.gov)
All flu vaccines for the 2023-2024 season will be quadrivalent (four component). (cdc.gov)
Influenza vaccine distribution information for the 2023-2024 season will be posted here as CDC receives it, typically on Fridays. (cdc.gov)
All vaccines in the United States for the 2023-2024 influenza season are expected to be quadrivalent vaccines. (medscape.com)

The overall objective of this rapid review was to identify potentially safe and effective dose-sparing strategies for administration of seasonal influenza vaccines in healthy individuals of all ages that have been evaluated in human trials. (paho.org)
Consideration on implementation of co-administration of Seasonal Influenza and COVID-19 vaccines during pandemic in China]. (bvsalud.org)
Therefore, elderly individuals above 65 years of age are considered to be at a greater risk of influenza infection and its complications, and it is hence recommended that they receive an annual administration of seasonal influenza vaccine ( 3 ). (frontiersin.org)

2019. Influenza (Flu) Vaccine and Pregnancy. (mothertobaby.org)
2019. Inactivated influenza vaccine and spontaneous abortion in the Vaccine Safety Datalink in 2012-13, 2013-14, and 2014-15. (mothertobaby.org)

Despite several vaccine candidates available on the market, influenza virus is responsible for severe illness in humans, with a substantial global death toll every year (https://gis.cdc.gov/grasp/fluview/flu_by_age_virus.html). (researchsquare.com)
Older people, infants and people with underlying medical conditions could have a higher risk of severe influenza symptoms and complications . (bvsalud.org)
Worldwide, annual influenza epidemics result in about 3 to 5 million cases of severe illness and about 250 000 to 500 000 deaths. (who.int)
Read about the Global Influenza Hospital Surveillance Network, a new platform that can provide annual data on severe influenza for a wide range of populations. (medscape.com)
The guidance in this statement does not indicate an exclusive throat]) or confirmed influenza who are hospitalized, have severe or course of treatment or serve as a standard of medical care. (cdc.gov)

One of the imponderables is the effect of seasonal influenza vaccines on population immunity. (bmj.com)
Systems biology of immunity to MF59-adjuvanted versus nonadjuvanted trivalent seasonal influenza vaccines in early childhood. (ox.ac.uk)
The dynamics and molecular mechanisms underlying vaccine immunity in early childhood remain poorly understood. (ox.ac.uk)

We looked for evidence of the impact of influenza or ILI such as hospital admission, complications, and death. (cochrane.org)
Older people, young children, and people with chronic medical conditions are at higher risk for influenza-related complications. (healthnewstrack.com)
Already stressed organs have a more difficult time recovering from an infection such as seasonal influenza, thus increasing the risk for debilitating or even fatal complications. (parentingpatch.com)
Second, although some fearmongers claim that the flu vaccine causes an increased rate of miscarriage and stillbirth among pregnant women, a study that looked at the complications associated with the flu shot discovered the opposite. (parentingpatch.com)
Between the years in question, the researchers discovered 175 reports of possibly vaccine-related medical complications among pregnant women in VAERS, a number that amounts to an estimated rate of 12.5 reported complications per one million pregnant women vaccinated against the flu. (parentingpatch.com)
risk of complications of influenza, regardless of duration of illness. (cdc.gov)

The United States should strongly support universal influenza vaccine (UIV) development. (csis.org)

In one study, symptomatic illness attributable to influenza decreased from 12% to about 4% with the use of these measures. (medscape.com)
Overall, the percentages of outpatient visits for influenza-like illness (ILI) were lower during the 2010--11 season than the 2009--10 pandemic influenza season. (cdc.gov)
This has been shown in at least two studies that have received little attention from public health authorities: A prospective case-control study in healthy young Australian children found that seasonal flu shots doubled their risk of illness from noninfluenza virus infections (unadjusted OR 2.13, CI 1.20-3.79). (bmj.com)

Children consistently have the highest attack rates of influ- nent of the vaccine is new for this season .6,7 enza in the community during seasonal influenza epidemics. (cdc.gov)

Sinovac's commercialized vaccines include Healive® (hepatitis A), Bilive® (combined hepatitis A and B), Anflu® (influenza) and Panflu(TM) (H5N1). (sinovac.com)
These are commercial institutions that develop and produce human influenza vaccines for seasonal, H5N1 and other influenza subtypes with pandemic potential. (who.int)
How safe and effective is the AS03-adjuvanted H5N1 influenza vaccine in children? (medscape.com)

Live attenuated influenza vaccine-weakened part of the virus. (epnet.com)
3 A recent systematic review of the scientific literature reported a pooled efficacy of 83% (95% confidence interval: 69%-91%) for trivalent live attenuated influenza vaccine in children six months to seven years of age. (who.int)

Over the past year, Sinovac has expanded its manufacturing capacity with the construction of a pandemic influenza vaccine production line with annual capacity of 20 million doses using the grant from China's National Development and Reform Commission. (sinovac.com)

Several countries in the southern hemisphere-such as Australia, Chile, and South Africa-have experienced mild influenza seasons due to increased influenza vaccine uptake and other protective measures in place as a result of Covid-19. (csis.org)
However, other experts fear that the United States will not experience the same decreases in influenza cases due to the inconsistent adoption of Covid-19 prevention measures and historically low influenza vaccine uptake. (csis.org)
Efforts should be focused on improvements in vaccine uptake in this important target group as part of comprehensive secondary prevention. (cmaj.ca)
If no improvements in the vaccine uptake will be seen, significant burden on the healthcare systems can be expected also during this upcoming winter season. (europa.eu)

bioCSL as marketing authorization holder decided to discontinue the usage of Optaflu brand in 2017 due to commercial reasons Vaxigrip Tetra and Fluquadri are quadrivalent split virus inactivated vaccines by Sanofi-Aventis. (wikipedia.org)
In the 2017-18 influenza season, an estimated 45 million Americans fell ill with nearly 21 million seeking care from a health provider and 810,000 requiring hospitalization. (csis.org)
2017. Birth outcomes for Australian mother-infant pairs who received an influenza vaccine during pregnancy, 2012-2014: the FluMum study. (mothertobaby.org)
More encouragingly, approximately half of the EU Member States reported increased use of newer influenza vaccines that provide broader protection during the 2017/18 season. (europa.eu)

Moreover, antibody responses induced by influenza virus vaccines are usually short-lived and less cross-reactive against antigenically drifted virus variants than those induced by a natural influenza virus infection 1 . (researchsquare.com)

In the Northern Hemisphere, all persons aged 6 months or older should receive influenza vaccine annually, by the end of October, if possible. (medscape.com)
This report summarizes influenza activity in the United States during the 2010--11 influenza season (October 3, 2010--May 21, 2011) and describes the components of the 2011--12 Northern Hemisphere influenza vaccine. (cdc.gov)

The aim of this Cochrane Review, first published in 2006, was to summarise research that looks at the effects of immunising the elderly (those aged 65 years or older) with influenza vaccine during influenza seasons. (cochrane.org)
However, variation in the results of studies means we cannot be certain about how big a difference these vaccines will make across different seasons. (cochrane.org)
We are uncertain how big a difference these vaccines will make across different seasons. (cochrane.org)
Additionally, vaccine-induced neutralizing antibody titers diminish over time, thereby affecting the extent of protection against infection during an entire influenza season and the subsequent seasons. (researchsquare.com)

The Centers for Disease Control and Prevention (CDC) recommends everyone six months and older without contraindications receive an annual influenza vaccine as the best way to prevent seasonal influenza. (prnewswire.com)

2020. Recommendations for prevention and control of influenza in children, 2020-2021. (mothertobaby.org)

SUMMIT, N.J. , March 25, 2021 /PRNewswire/ -- Seqirus, a global leader in influenza prevention, today announced the publication of new real-world evidence (RWE) on the company's cell-based quadrivalent seasonal influenza vaccine (QIVc) in peer-reviewed medical journal Vaccines . (prnewswire.com)
330+ Pages Report] According to the report published by the Facts & Factors Research, the global Seasonal Influenza Vaccine market was estimated at approximately USD 5,638.3 Million in 2020 and is expected to generate revenue of around USD 9,801.8 Million by the end of 2030, growing at a CAGR of around 5.6% between 2021 and 2030. (theglobalnewspress.com)

[ 56 ] The quadrivalent flu vaccines have an additional B virus. (medscape.com)

This study, published in Vaccines , adds to recent research, including a study published in Clinical Infectious Diseases demonstrating that QIVc prevented significantly more influenza-related medical encounters among individuals 4 years and older, compared to QIVe during the 2018/19 U.S. influenza season. (prnewswire.com)

The contribution of influenza laboratories and NICs from this Region to global influenza surveillance is appreciable. (who.int)
Terms of Reference within the Global Influenza Surveillance Network. (who.int)
Global Influenza Surveillance Network. (who.int)

Both the World Health Organization (WHO) and the Centers for Disease Control and Prevention (CDC) recommend that pregnant women receive the inactivated seasonal influenza vaccine at the beginning of each flu season. (parentingpatch.com)
Although there was insufficient evidence on the immunogenicity and safety of co- administration of influenza vaccine and COVID-19 vaccine , World Health Organization and some countries recommended co- administration of inactivated influenza vaccine and COVID-19 vaccine . (bvsalud.org)

https://www.chp.gov.hk/en/features/106952.html for details), they can receive COVID-19 vaccine and SIV at designated locations shown below at the same time if they are also eligible for receiving free or subsidised SIV. (gov.hk)
2023. Flu Vaccine Safety and Pregnancy https://www.cdc.gov/flu/highrisk/qa_vacpregnant.htm [Accessed 9/2023]. (mothertobaby.org)
https://www.cdc.gov/vaccines/pregnancy/hcp-toolkit/flu-vaccine-pregnancy.html [Accessed 9/2023]. (mothertobaby.org)

The goal of this study was to explore a RIG-I agonist (SDI-nanogel) and a TLR7/8 agonist (Imidazoquinoline (IMDQ)‐PEG‐Chol) as adjuvants, when co-administered with a licensed quadrivalent inactivated influenza vaccine (QIV), and to determine the role of these adjuvants in directing helper T (Th) cell responses for their role in the immunoglobulin (Ig) class switching. (researchsquare.com)

7 Egg-based manufacturing requires a growth-inducing strain to ensure the influenza virus can grow successfully in eggs, which can cause the strain to mutate and result in an influenza virus that can be different from the intended strain. (prnewswire.com)
It is caused by a strain of the influenza virus. (epnet.com)

In addition to burden of disease and vaccine characteristics, PHAC has expanded the mandate of NACI to include the consideration of programmatic factors in developing evidence-based recommendations to facilitate timely decision-making for publicly funded vaccine programs at provincial and territorial levels. (canada.ca)
Recommendations for use and other information set out herein may differ from that set out in the product monograph(s) of the Canadian manufacturer(s) of the vaccine(s). (canada.ca)
Following veterinary biosecurity recommendations, some producers restrict people with influenza symptoms from entering pig barns, and recommend that workers regularly be immunized to reduce the risk of transmission of seasonal influenza A virus to pigs. (onehealthinitiative.com)
Most EU Member States have issued recommendations for the use of influenza antivirals. (europa.eu)
Recommendations for use of pneumococcal vaccines varied by conditions. (cdc.gov)

Vaccine-induced antibody and T cell responses correlated with protection against lethal influenza virus infection. (researchsquare.com)
Veljkovic, V & Paessler, S 2016, ' Possible repurposing of seasonal influenza vaccine for prevention of Zika virus infection ', F1000Research , vol. 5, 190. (utmb.edu)

Influenza virus subtypes. (who.int)

4 While the burden of influenza varies each year, the CDC estimates that annually influenza has resulted in between 9 to 45 million illnesses, 140,000 to 810,000 hospitalizations and 12,000 to 61,000 deaths in the U.S. between 2010-2020. (prnewswire.com)
This study provides a more accurate view of the hospitalization burden of influenza and RSV. (medscape.com)

METHODS: The Vaccine Safety Datalink (VSD) Project monitors approximately 9.2 million members in eight U.S. medical care organizations. (healthpartners.com)

[ 47 ] Enhanced surveillance with daily temperature taking and prompt reporting with isolation through home medical leave and segregation of smaller subgroups decrease the spread of influenza. (medscape.com)
The Enhanced Passive Safety Surveillance is a requirement of the European Medicines Agency (EMA) for seasonal influenza vaccines, aiming to rapidly detect any significant change in frequency or severity of expected reactogenicity or allergic events prior to widespread use of a vaccine in any particular year. (biomedcentral.com)
Passive surveillance of individuals vaccinated with IIV4 was conducted within the first 4 to 6 weeks of the influenza season in Finland. (biomedcentral.com)
Therefore, conducting annual safety surveillance on seasonal influenza vaccines is important, and a requirement for the EMA. (biomedcentral.com)
The safety surveillance enables rapid detection of adverse events (AE), identifying any significant change in frequency or severity of expected reactogenicity or allergic events that could be intrinsic to the vaccine, prior to widespread use of the vaccine in any particular year [ 3 ]. (biomedcentral.com)

Vaxigrip Tetra Fluquadri Sanofi Pasteur produces the following vaccines: Fluzone Vaxigrip/Vaxigrip Tetra Flublok Fluzone and its quadrivalent formulation are split virus inactivated vaccines distributed by Sanofi Pasteur mainly in the United States. (wikipedia.org)
citation needed] Vaxigrip and its quadrivalent formulation Vaxigrip Tetra are split virus inactivated vaccines made by Sanofi Pasteur in Europe. (wikipedia.org)

Fluarix Flulaval Fluarix Tetra Influvac and its quadrivalent formulation are surface antigen subunit vaccines marketed by Mylan. (wikipedia.org)
Previously, they were produced and marketed by Abbott Laboratories In February 2010, Abbott acquired the vaccines subunit from Solvay Pharmaceuticals included in its $6.2 billion purchase and the subunit influenza vaccine - Influvac has been commercially available on the market since the early nineteen-eighties. (wikipedia.org)
Flublok and its quadrivalent formulation are recombinant subunit vaccines prepared in cell cultures. (wikipedia.org)

NACI continues to recommend that, in the absence of contraindications, HCWs and other care providers in facilities and community settings should be vaccinated annually against influenza, and recommends the inclusion of this group among the particularly recommended recipients of influenza vaccine. (canada.ca)
For healthy children aged 2-8 years who have no contraindications or precautions, inactivated influenza vaccine (IIV) is an appropriate option. (medscape.com)
While vaccines are universally recommended, some children may have contraindications to particular vaccines. (who.int)

They can tell you which vaccines the CDC recommends for pregnant people and how to protect you and your baby during flu season. (health.mil)
SVA - News ), a leading provider of vaccines in China, today announced the market launch of Anflu®, a seasonal influenza vaccine, for 2008-2009 Flu Season. (sinovac.com)
Mr. Weidong Yin, Chairman, President and CEO, commented, 'We are very pleased to launch Anflu® in China for the 2008 - 2009 seasonal influenza season. (sinovac.com)
We fitted Poisson regression models for influenza and off-season periods to estimate incidence rate ratios (IRR) for cohorts who had and had not received the vaccine. (cmaj.ca)
During the 2010--11 influenza season, influenza activity* first began to increase in the southeastern United States, and peaked nationally in early February. (cdc.gov)
The proportion of specimens testing positive for influenza during the 2010--11 season first exceeded 10%, indicating higher levels of virus circulation, during the week ending November 27, 2010. (cdc.gov)
Five cases of human infection with a novel influenza A virus were reported during the 2010--11 influenza season from three states. (cdc.gov)
Children, especially those younger than 5 years and those age and influenza B Victoria lineage components are with certain underlying medical conditions, can experience unchanged from the previous season. (cdc.gov)

It is the first influenza vaccine made in a mammalian cell line, rather than chicken eggs. (wikipedia.org)
Refer to NACI's Supplemental Statement - Mammalian Cell Culture-Based Influenza Vaccines for further details. (canada.ca)

Anatomy15

Organisms34

Diseases15

Chemicals and Drugs101

Analytical, Diagnostic and Therapeutic Techniques and Equipment39

Psychiatry and Psychology1

Phenomena and Processes29

Disciplines and Occupations3

Anthropology, Education, Sociology and Social Phenomena3

Technology, Industry, Agriculture5

Information Science6

Named Groups2

Health Care26

Geographicals4

Vaccination76

H1N121

Viruses48

Strains18

Antibodies2

Immunization13

Effectiveness6

Viral4

Trivalent inactivated influenza vaccine3

H3N23

Recombinant influenza vaccine2

Antiviral4

LAIV3

Subtype2

National Influen3

Hemagglutinin5

Respiratory5

Adults15

Immune7

2023-20244

Administration of seasonal influenza3

20192

Severe5

Immunity3

Complications6

Universal influenza vaccine1

Illness3

Epidemics1

H5N13

Live attenuated2

Doses1

Uptake4

20174

Antibody responses1

Hemisphere2

Seasons4

Prevent seasonal influenza1

2020-20211

20212

Quadrivalent flu vaccines1

20181

Global influenza surveillance3

World Health Organ2

Https3

Adjuvants1

Strain2

Recommendations5

Virus infection2

Subtypes1

Burden of influenza2

Safety Datalink1

Surveillance5

Vaxigrip Tetra2

Subunit3

Contraindications3

Season8

Mammalian cell2