• In 2001, for these districts, the human population virus were closely related to human influenza (H3N2) densities were 246, 1,539, 3,330, and 677 persons per km2, virus isolate A/Ragama/190/2003 from Sri Lanka and to respectively ( 6 ). (cdc.gov)
  • other subtype H3N2 influenza viruses isolated worldwide at this time (data not shown). (cdc.gov)
  • Virus isolates influenza (H3N2) viruses. (cdc.gov)
  • At this time, there are three main influenza A virus subtypes that have been isolated in pigs in the United States: H1N1, H1N2, and H3N2. (cdc.gov)
  • H1N1 and H3N2 swine flu viruses are endemic among pig populations in the United States and something that the industry deals with routinely. (cdc.gov)
  • While H1N1 swine viruses have been known to circulate among pig populations since at least 1930, H3N2 influenza viruses did not begin circulating among pigs in the United States until about 1998. (cdc.gov)
  • Baseline Levels of Influenza-Specific B Cells and T Cell Responses Modulate Human Immune Responses to Swine Variant Influenza A/H3N2 Vaccine. (emmes.com)
  • Alice: Co-circulation of pandemic 2009 H1N1, swine H3N2 and H1N2 influenza viruses in pigs in the state of Rio Grande do Sul. (embrapa.br)
  • Methods: To address this gap, we sequenced and conducted a phylogenetic analysis of 69 hemagglutinin (HA) sequences from IAV-S isolates collected in swine in Mexico and Chile during 2010-2014, including the H1N1, H1N2, and H3N2 subtypes. (consensus.app)
  • Relative recovery measured for MS2 bacteriophage, H3N2 swine influenza virus, and H9N9 avian influenza virus for each of the air samplers. (umnswinenews.com)
  • We propose that human-like H3N2 influenza A strains may remain invariant for long periods in swine, which may serve as a reservoir for human pandemics. (microbiologyresearch.org)
  • Antigenic characterization of an H3N2 swine influenza virus isolated from pigs with proliferative and necrotizing pneumonia in Quebec. (microbiologyresearch.org)
  • In Europe, H1N1, H1N2 and H3N2 subtypes of swine influenza virus currently have a high prevalence in commercial farms. (vetres.org)
  • Influenza viruses circulating in swine are closely related to the human H1N1 and H3N2 strains and reports of sporadic cross-species transfer of swine and avian influenza viruses to humans have been documented repeatedly during recent decades [ 18 ]. (vetres.org)
  • A(H1N2) variant viruses and one human case of infection with an influenza A(H3N2) variant virus were reported officially.3 One additional human case of infection with an influenza A(H1N1)v virus was detected. (who.int)
  • since 1968, most seasonal influenza epidemics have been caused by H3N2 (an influenza A virus). (msdmanuals.com)
  • Swine influenza virus (SIV) or swine-origin influenza virus (S-OIV) refers to any strain of the influenza family of viruses that is endemic in pigs. (wikipedia.org)
  • People with regular exposure to pigs are at increased risk of swine flu infections. (wikipedia.org)
  • Direct transmission of a swine flu virus from pigs to humans is occasionally possible (zoonotic swine flu). (wikipedia.org)
  • The 2009 H1N1 virus is not zoonotic swine flu, as it is not transmitted from pigs to humans, but from person to person through airborne droplets. (wikipedia.org)
  • Swine influenza is a respiratory disease of pigs caused by type A influenza viruses that regularly cause outbreaks of influenza in pigs. (cdc.gov)
  • The main swine influenza viruses circulating in U.S. pigs in recent years have been, swine triple reassortant (tr) H1N1 influenza virus, trH3N2 virus, and trH1N2 virus. (cdc.gov)
  • Earlier forms of the H1N1 virus were found in pigs (swine). (medlineplus.gov)
  • Note: This page contains background information about swine influenza infections in pigs. (cdc.gov)
  • Swine flu viruses can cause high levels of illness in pig herds, but cause few deaths in pigs. (cdc.gov)
  • Pigs can be infected by avian influenza and human influenza viruses as well as swine influenza viruses. (cdc.gov)
  • When influenza viruses from different species infect pigs, the viruses can reassort (i.e. swap genes) and new viruses that are a mix of swine, human and/or avian influenza viruses can emerge. (cdc.gov)
  • How does swine flu spread among pigs? (cdc.gov)
  • Swine flu viruses are thought to be spread among pigs mostly through close contact and possibly from contaminated objects moving between infected and uninfected pigs. (cdc.gov)
  • What are signs of swine flu in pigs? (cdc.gov)
  • Some pigs infected with influenza, however, may show no signs of illness at all. (cdc.gov)
  • How common is swine flu among pigs? (cdc.gov)
  • Just as there are influenza vaccines for people, there are specific swine influenza vaccines available for pigs. (cdc.gov)
  • This study emphasizes that an influenza virus, which is known to induce a lethal infection in ferrets and macaques, is not highly virulent in pigs, indicating a potential resistance of swine to highly virulent influenza viruses," Richt said. (scienceblog.com)
  • It also suggests that pigs could have played a role in maintaining and spreading the 1918 human pandemic influenza virus. (scienceblog.com)
  • Swine flu is a respiratory disease of pigs caused by type A influenza that regularly causes outbreaks of influenza among the animals and can be transmitted to humans. (scienceblog.com)
  • That's because pigs act as 'mixing vessels,' where various swine and bird influenza strains can reconfigure and become transmissible to humans. (nationalhogfarmer.com)
  • Scientists have been using cells from chickens, dogs, monkeys and hamsters to study influenza viruses that infect pigs and humans. (sdepscor.org)
  • Swine Flu cases are reported most commonly in pigs (swine). (cupdf.com)
  • Swine Flu spreads when humans contact infected pigs or environments contaminated with Swine Flu viruses. (cupdf.com)
  • Swine influenza (SI) viruses infect a wide range of hosts, but are endemic in pigs. (pirbright.ac.uk)
  • Swine flu is a highly contagious respiratory disease in pigs caused by one of several swine influenza A viruses (see the image below). (medscape.com)
  • However, the swine influenza virus can be transmitted to humans via contact with infected pigs or environments contaminated with swine influenza viruses. (medscape.com)
  • The answers did not begin to emerge until the 1930s, when related influenza viruses (now known as H1N1 viruses) were isolated from pigs and then humans. (medscape.com)
  • Six of the genes are closest in sequence to those of H1N2 'triple-reassortant' influenza viruses isolated from pigs in North America around 1999-2000. (biomedcentral.com)
  • Swine Flu is a disease caused by virus that affects the respiratory track of pigs (Swine). (aeiro.com)
  • Genetic reassortment between avian and human influenza A viruses in Italian pigs. (microbiologyresearch.org)
  • Antigenic and sequence analysis of H3 influenza virus haemag-glutinins from pigs in Italy. (microbiologyresearch.org)
  • Moreover they are particularly adaptable because we are not their only vectors and they seem to hide and mutate, and reassort themselves in pigs or swine as well as birds. (kiddoc.org)
  • The emergence of this A(H1N1) 2009 poses a potential global threat for human health and the fact that it can infect other species, like pigs, favours a possible encounter with other influenza viruses circulating in swine herds. (vetres.org)
  • The mortality of swine influenza virus (SIV) infected pigs is usually low, although morbidity may approach 100% [ 14 ]. (vetres.org)
  • This virus was originally referred to as "swine flu" because laboratory testing showed that many of the genes in this new virus were very similar to influenza viruses that normally occur in pigs in North America. (cdc.gov)
  • Around the mid-20th century, identification of influenza sub-types was made possible, allowing accurate diagnosis of transmission to humans. (wikipedia.org)
  • Symptoms of zoonotic swine flu in humans are similar to those of influenza and of influenza-like illness and include chills, fever, sore throat, muscle pains, severe headache, coughing, weakness, shortness of breath, and general discomfort. (wikipedia.org)
  • According to the United States Centers for Disease Control and Prevention (CDC), in humans the symptoms of the 2009 "swine flu" H1N1 virus are similar to influenza and influenza-like illness in general. (wikipedia.org)
  • Swine flu viruses do not usually infect humans, but rare human infections have occurred. (cdc.gov)
  • For more information about swine influenza infections in humans, see Variant Influenza Viruses in Humans ). (cdc.gov)
  • Swine influenza viruses can circulate among swine throughout the year, but most outbreaks occur during the late fall and winter months similar to outbreaks in humans. (cdc.gov)
  • Like influenza viruses in humans and other animals, swine flu viruses change constantly. (cdc.gov)
  • Swine influenza can also affect humans, he continued, pointing to the 2009 influenza pandemic. (sdepscor.org)
  • Learning how influenza viruses replicate and transmit from swine to humans is critical. (sdepscor.org)
  • Through a National Institutes of Health grant, Li and his team are determining how influenza D, which SDSU researchers discovered in 2011, infects cells to evaluate the likelihood of the virus becoming a risk to humans. (sdepscor.org)
  • This report is the first in Mexico of the prevalence of antibodies to swine influenza virus in humans. (cdc.gov)
  • We show that it was derived from several viruses circulating in swine, and that the initial transmission to humans occurred several months before recognition of the outbreak. (duke.edu)
  • A phylogenetic estimate of the gaps in genetic surveillance indicates a long period of unsampled ancestry before the S-OIV outbreak, suggesting that the reassortment of swine lineages may have occurred years before emergence in humans, and that the multiple genetic ancestry of S-OIV is not indicative of an artificial origin. (duke.edu)
  • Our results highlight the need for systematic surveillance of influenza in swine, and provide evidence that the mixing of new genetic elements in swine can result in the emergence of viruses with pandemic potential in humans. (duke.edu)
  • What are the symptoms of Swine Flu in humans? (cupdf.com)
  • Influenza viruses are a major threat to health in livestock and humans. (pirbright.ac.uk)
  • SI viruses are implicated in human influenza as sources of new influenza strains that are transmitted to humans by occupational exposure. (pirbright.ac.uk)
  • Transmission of swine influenza viruses to humans is uncommon. (medscape.com)
  • Once a human becomes infected, he or she can then spread the virus to other humans, presumably in the same way as seasonal influenza is spread (ie, via coughing or sneezing). (medscape.com)
  • The ability to trace outbreaks of swine flu in humans dates back to investigation of the 1918 Spanish influenza pandemic, which infected one third of the world's population (an estimated 500 million people) and caused approximately 50 million deaths. (medscape.com)
  • In humans, the severity of swine influenza can vary from mild to severe. (medscape.com)
  • There are three types of influenza virus in humans, A, B and C. Types A and B are responsible for annual outbreaks. (pasteur.fr)
  • However, the common virus affecting humans these days is a mutated version of Swine Flu and Human Influenza known as H1N1 Influenza. (aeiro.com)
  • We also found evidence of repeated introductions of pandemic H1N1 viruses from humans into swine in Mexico and Chile since 2009, and incursions of H1 and H3 viruses from North American swine into Mexico. (consensus.app)
  • From the first case of H5 avian influenza in humans in the United States to reports of ongoing, widespread disease in birds , the potential of a possible pandemic variant has many keeping a watchful eye on the disease. (medscape.com)
  • The newly emerged influenza A (H1N1) strain which has not not circulated previously in humans is easily transmitted from one person to another and from one country to another. (who.int)
  • Even though small clusters of A(H5) virus infections have been reported previously including those involving healthcare workers, current epidemiological and virological evidence suggests that influenza A(H5) viruses have not acquired the ability of sustained transmission among humans, thus the likelihood is low. (who.int)
  • The disease coordinate for H1N1 in humans is Influenza, Human. (bvsalud.org)
  • CDC works to improve global control and prevention of seasonal and novel influenza, including swine influenza viruses, and works to improve influenza pandemic preparedness and response. (cdc.gov)
  • For information about human seasonal influenza, visit the CDC seasonal flu website . (cdc.gov)
  • A separate seasonal influenza vaccine was needed for the 2009/2010 influenza season because it was too late to incorporate the new strain into the regular influenza vaccine already in production. (medscape.com)
  • Like seasonal flu, Swine Flu may worsen previously existing medical conditions or cause severe illness such as pneumonia, respiratory failure, and deaths. (cupdf.com)
  • Manifestations of H1N1 influenza are similar to those of seasonal influenza. (medscape.com)
  • In other words, the "seasonal" influenza that causes annual outbreaks is far from being a "trivial" infection, and it is by no means harmless. (pasteur.fr)
  • Seasonal influenza affects 3 to 8% of the French population each year, claiming approximately 10,000 to 15,000 lives and worsening the health of already vulnerable populations. (pasteur.fr)
  • To tackle these seasonal outbreaks, detailed surveillance mechanisms have been introduced at national and international level, making influenza viruses the most closely monitored viruses on the planet (see Interview below). (pasteur.fr)
  • Results: Our analysis identified multiple IAV-S lineages that appear to have been circulating undetected in swine for decades, including four novel IAV-S lineages of human seasonal virus origin that have not been previously identified in any swine populations globally. (consensus.app)
  • This virus is spreading from person-to-person, probably in much the same way that regular seasonal influenza viruses spread. (spiritindia.com)
  • This virus because it has a very strong genetic and clinical analogue, namely seasonal influenza which we see every year seems I think to the public mind relatively tamed and thereby understandable. (kiddoc.org)
  • Therefore, the virus replicates very rapidly relative to seasonal influenza, because most of us have some resistance to seasonal influenza. (kiddoc.org)
  • And in the case of novel influenza, probably the make significantly more copies faster than we would typically see in regular seasonal influenza. (kiddoc.org)
  • It mutated from from being a relatively ill mannered cousin of the pedestrian and tame seasonal influenza virus to a stark raving homicidal maniac. (kiddoc.org)
  • Like seasonal flu, H1N1 (swine) flu may cause a worsening of underlying chronic medical conditions. (cdc.gov)
  • Most cases present with symptoms such as fever, cough, runny nose, headache, general body weakness and tiredness.2 In addition, diarrhoea which is not a known characteristic of seasonal influenza has been reported among confirmed cases in many countries.3 A substantial proportion of the severe cases in the new influenza A (H1N1) outbreak involve young and healthy adults, unlike in seasonal influenza. (who.int)
  • Influenza causes widespread sporadic illness yearly during fall and winter in temperate climates (seasonal epidemics). (msdmanuals.com)
  • A weekly surveillance report of seasonal influenza in the US is available at the Centers for Disease Control and Prevention's FluView . (msdmanuals.com)
  • Furthermore, the unsampled history of the epidemic means that the nature and location of the genetically closest swine viruses reveal little about the immediate origin of the epidemic, despite the fact that we included a panel of closely related and previously unpublished swine influenza isolates. (duke.edu)
  • Measures that might restore confidence include establishing a unified international administrative framework coordinating surveillance, research and commercial work with this virus, and maintaining a registry of all influenza isolates. (biomedcentral.com)
  • Swine Influenza by sequencing the hemagglutinin and neuraminidase gene in Sri Lanka segments. (cdc.gov)
  • Genetic sequence data of the hemagglutinin gene population of 21 million and a swine population of 83,785 of 5 additional human A(H1N1)pdm09 viruses isolated in ( 4 , 5 ). (cdc.gov)
  • The strain RB51leuB platform was not expressing influenza derived antigens Hemagglutinin (HA) and Nucleoprotein (NP) when screened for expression by immunoblot. (vt.edu)
  • Evolution of the H3 influenza virus hemagglutinin from human and nonhuman hosts. (microbiologyresearch.org)
  • Hemagglutinin (H) is a glycoprotein on the influenza viral surface that allows the virus to bind to cellular sialic acid and fuse with the host cell membrane. (msdmanuals.com)
  • Because these symptoms are not specific to swine flu, a differential diagnosis of probable swine flu requires not only symptoms, but also a high likelihood of swine flu due to the person's recent and past medical history. (wikipedia.org)
  • Symptoms, diagnosis, and treatment of H1N1 influenza are similar to that for the flu in general . (medlineplus.gov)
  • Infected swine herds, including those vaccinated against swine flu, may have sporadic disease, or may show only mild or no symptoms of infection. (cdc.gov)
  • People with Swine Flu have symptoms similar to regular human flu: fever, cough, sore throat, body aches, headache, chills and fatigue. (cupdf.com)
  • Physicians diagnose Swine Flu based on symptoms, and confirm the diagnosis with a laboratory test. (cupdf.com)
  • Primary influenza pneumonia manifests with persistent symptoms of cough, sore throat, headache, myalgia, and malaise for more than three to five days. (medscape.com)
  • Some 2.9 million people saw their physician because of flu-like symptoms and 30,000 went to the emergency department suffering from influenza. (pasteur.fr)
  • The symptoms of Swine Flu are mostly same as that of common influenza. (aeiro.com)
  • Swine Flu Video Podcast - Apr 25, 2009 listen to Dr. Joe Bresee (CDC Influenza Division) describing swine flu - signs and symptoms, how it's transmitted, medicines to treat it, how to protect yourself, what to do it you got ill from it. (ulrich-schrader.de)
  • Subjects with influenza -like symptoms who were diagnosed with swine flu at hospitals or clinics were defined as swine flu patients and asked to make a report using a standardized form. (bvsalud.org)
  • What are the signs and symptoms of H1N1 (swine) flu in people? (cdc.gov)
  • The influenza virus is transmitted in the community by infected people with or without symptoms, mostly by aerosol, but also by hand contact. (medscape.com)
  • For the study, the researchers used the 1918 pandemic virus and a 1930 H1N1 influenza virus for experimental infections in swine. (scienceblog.com)
  • Whenever influenza viruses are circulating in poultry, sporadic infections or small clusters of human cases are possible, especially in people exposed to infected household poultry or contaminated environments. (flutrackers.com)
  • The World Health Organization declared a swine flu pandemic last week - the first global flu epidemic in 41 years - as infections in the United States, Europe, Australia, South America and elsewhere climbed to nearly 30,000 cases. (swiny.org)
  • People do not normally get swine flu, but human infections can and do happen. (cupdf.com)
  • Each week, we publish a bulletin with reports on the current situation concerning influenza and other respiratory tract infections. (pasteur.fr)
  • Immunity to influenza virus infections, as in the case of any other viral infections, has two essential components that act in a sequential and coordinated way. (futurelearn.com)
  • All human infections caused by a new influenza subtype are required to be reported under the International Health Regulations (IHR, 2005).4 This includes any influenza A virus that has demonstrated the capacity to infect a human and its haemagglutinin gene (or protein) is not a mutated form of those, i.e. (who.int)
  • Although respiratory infections can be classified by the causative virus (eg, influenza), they are generally classified. (msdmanuals.com)
  • Now H1N1 is a component of the trivalent and quadrivalent influenza vaccines. (medscape.com)
  • Pork producers currently try to manage swine flu by using commercially available vaccines derived from whole inactivated viruses and weakened live viruses. (nationalhogfarmer.com)
  • As of 2008, about half of the vaccines in use in the United States were custom-made for specific herds - an expensive, time-consuming and not very effective strategy because of the rapidity with which swine influenza evolves. (nationalhogfarmer.com)
  • Current strategies to control swine influenza virus (SIV) in animals typically include one of several commercially available bivalent swine influenza virus vaccines. (medscape.com)
  • Introduction: Further understanding of the genetic diversity and evolution of influenza A viruses circulating in swine (IAV-S) is important for the development of effective vaccines and our knowledge of pandemic threats. (consensus.app)
  • The protection induced by vaccines against horse influenza doesn't last long. (futurelearn.com)
  • From 2003 through 7 October 2013, 641 laboratory-confirmed human cases with avian influenza A(H5N1) virus infection have been officially reported to WHO from 15 countries. (flutrackers.com)
  • Since the last WHO Influenza at the Human Animal Interface update on 26 August 2013, four new laboratory-confirmed human cases of influenza A(H5N1) virus infection were reported to WHO from Cambodia (3)and Indonesia (1). (flutrackers.com)
  • As of 7 October 2013, 135 human cases of influenza A(H7N9) virus infection were reported to WHO. (flutrackers.com)
  • Influenza pneumonia: Amantadine hydrochloride and rimantadine hydrochloride are approved for the prevention and treatment of influenza A virus infection. (medscape.com)
  • Since the last risk assessment on 21 May 2021, one new laboratory-confirmed human case of influenza A(H5N6) virus infection was reported from China to WHO on 30 May 2021. (who.int)
  • Influenza C virus infection does not cause typical influenza illness and is not discussed here. (msdmanuals.com)
  • ABSTRACT This study evaluated the epidemiology of suspected cases of pandemic influenza A (H1N1) virus infection in 2009-2010 in Kurdistan province, a frontier province of the Islamic Republic of Iran. (who.int)
  • When two different species' influenza strains (for example pig and human) recombine, the novel viral strain that emerges potentially has a better chance of evading the immune system and persisting in the host organism than the pre-existing viral strains. (science20.com)
  • Swine influenza can be isolated from fresh lung tissue, trachea and nasal swabs in viral transport media. (gallantcustomlaboratories.com)
  • The influenza viruses are the most common viral cause of pneumonia. (medscape.com)
  • Their efficacy in patients with influenza viral pneumonia or severe influenza is unknown. (medscape.com)
  • Human-to-swine transmission, spatial migration via swine movements, and genomic reassortment are the key evolutionary mechanisms that generate this viral diversity. (consensus.app)
  • The figure below shows the mean of the quantity of infectious virus and viral RNA collected by each of the air samplers for the swine influenza virus. (umnswinenews.com)
  • Influenza viruses belong to the Orthomyxoviridae family and are characterized by a segmented viral genome consisting of eight single stranded RNA fragments of negative polarity encoding 10 proteins [ 27 ]. (vetres.org)
  • Influenza refers to illness caused by the influenza viruses, but the term is commonly and incorrectly used to refer to similar illnesses caused by other viral respiratory pathogens. (msdmanuals.com)
  • The principal preventive measure is influenza vaccination, but the protective effect sought is not always achieved, either because there is not a good match between the vaccine and the circulating viral strain or owing to the emergence of a new pandemic virus. (medscape.com)
  • At least 12 genetically distinct influenza A lineages circulate in Latin American swine herds, with human-to-swine transmission, spatial migration, and genomic reassortment contributing to this diversity. (consensus.app)
  • Discussion: Overall, our findings indicate that at least 12 genetically distinct HA lineages circulate in Latin American swine herds, only two of which have been found in North American swine herds. (consensus.app)
  • We have also found serological evidence that this virus is circulating extensively in Quebec swine herds. (microbiologyresearch.org)
  • The recent pandemic caused by human influenza virus A(H1N1) 2009 contains ancestral gene segments from North American and Eurasian swine lineages as well as from avian and human influenza lineages. (vetres.org)
  • In fact, the 2009 swine flu pandemic, involving a variant of the H1N1 strain, first emerged in swine before infecting about a fourth of the global population in its first year, causing nearly 12,500 deaths in the United States and perhaps as many as 575,000 worldwide, according to the Centers for Disease Control and Prevention. (nationalhogfarmer.com)
  • The currently used swine influenza vaccine may not be effective against influenza strains like the recent H1N1 strain that caused a pandemic. (vt.edu)
  • To develop an effective bivalent vaccine for swine against these two diseases, a leucine auxotroph of the USDA approved vaccine B. abortus strain RB51 was constructed along with leuB gene complementing plasmid pNS4 to over-express antigens from Brucella and influenza. (vt.edu)
  • Since March 2009, the CDC has investigated several confirmed human cases of a new strain of swine influenza A (H1N1) virus in California and Texas. (cupdf.com)
  • Of the four pandemic strains of human influenza A virus observed this century, the 1977 virus strain was very similar in all genes to a 1950 isolate. (microbiologyresearch.org)
  • From the first human cases of the current bird flu strain to preparations for a potential pandemic, avian influenza news garnered great interest this week, becoming the top trending clinical topic. (medscape.com)
  • Their research supports the hypothesis that the 1918 pandemic influenza virus and the virus causing the swine flu were the same. (scienceblog.com)
  • Since the last update of 26 August 2013, China has reported no new cases of human infection with avian influenza A(H7N9) virus , but reported one death in a previously reported case. (flutrackers.com)
  • 1. What is the likelihood that additional human cases of infection with avian influenza A(H5) viruses will occur? (who.int)
  • Subsequent cases of swine flu were reported in India in 2015, with over 31,156 positive test cases and 1,841 deaths. (wikipedia.org)
  • Influenza A infects approximately 10% of the population in the US each year and causes approximately 35,000 deaths annually. (science20.com)
  • Between December 2005 and February 2009, 12 human cases of Swine Flu were reported from 10 states in the U.S, with no deaths occurring. (cupdf.com)
  • Every year, influenza - or flu - is responsible for three to five million severe cases and 250,000 to 500,000 deaths worldwide. (pasteur.fr)
  • As the total number of deaths due to swine flu has now crossed 800 and over 14,000 people have been affected with the H1N1 virus across India, you need to be aware of this virus to keep it at bay. (aeiro.com)
  • In the past, severe illness (pneumonia and respiratory failure) and deaths have been reported with H1N1 (swine) flu infection in people. (cdc.gov)
  • Number of laboratory-confirmed new influenza A (H1N1) cases and deaths reported to WHO as of 20 May 2009, 16:00 GMT. (who.int)
  • A successful 2023 Allen D. Leman swine conference sharing practical science-driven solutions for swine veterinarians and producers! (umnswinenews.com)
  • In 1918 a human influenza virus known as the Spanish flu spread through the central United States while a swine respiratory disease occurred concurrently. (scienceblog.com)
  • Richt said the virus was able to infect and replicate in swine and cause mild respiratory disease. (scienceblog.com)
  • A 1976 outbreak of swine influenza in Fort Dix, New Jersey, involved more than 200 cases, some of them severe, and one death. (medscape.com)
  • If you are interested in official information about the recent outbreak of swine flu in Mexico and the U.S., there are a few places that offer good information. (ulrich-schrader.de)
  • With the recent outbreak of Swine Flu, we hope the following information is of value to you. (ubuntunet.net)
  • Due to the recent global outbreak of Swine Influenza, EBSCO Publishing and the DynaMed Editors have made DynaMed's information about Swine Influenza free to health care providers and institutions throughout the world. (ubuntunet.net)
  • A worldwide outbreak of swine flu H1N1 pandemic influenza occurred in April 2009. (bvsalud.org)
  • The swine influenza virus is common throughout pig populations worldwide. (wikipedia.org)
  • Targeted populations recommended to receive the 2009 H1N1 vaccine included pregnant women, household contacts and caregivers of children younger than 6 months, healthcare and emergency medical services personnel, children aged 6 months to 18 years, young adults aged 19-24 years, and persons aged 25 through 64 years with conditions associated with higher risk of medical complications from influenza. (medscape.com)
  • In 2006, the NIEHS Worker Training Program (WTP) awarded four avian and pandemic influenza preparedness training supplemental grants to augment WTP training programs with modules and outreach information to protect potential high-risk populations involved in pandemic and avian influenza preparedness and response. (nih.gov)
  • Swine brucellosis caused by Brucella suis and swine influenza caused by Influenza A virus affect both domestic and feral swine populations. (vt.edu)
  • An influenza pandemic is by definition the emergence of an influenza virus A, with efficient and sustained human-to-human transmission, globally, in populations with no immunity or with limited immunity. (who.int)
  • To complicate things even more, there are variants within each subtype, since influenza viruses are permanently evolving and new strains are constantly emerging (this explains why the vaccine changes each year). (pasteur.fr)
  • Influenza A Virus, H1N1 Subtype for the causative agent of what is colloquially called 'swine flu. (bvsalud.org)
  • RSS feed with updates on influenza A (H1N1) at the European Centre for Disease Prevention and Control (ECDC) website. (bvsalud.org)
  • The H1N1 influenza A virus is a rela- the characteristics of confirmed cases of ease Control and Prevention for the tively new virus of swine origin that can H1N1 is of prime importance to adopt detection of pandemic H1N1 virus, as spread quickly and has the potential to effective prevention and controlling recommended by World Health Or- cause a worldwide pandemic [1-3]. (who.int)
  • During the pandemic influenza A(H1N1)09 wave in Spain, an exhaustive campaign was carried out, with the participation of institutions, the mass media, civil bodies, educational centres and health care professionals, with the objective of informing the public about non-pharmacological influenza prevention measures, and with an emphasis on simple measures such as covering the mouth when sneezing or coughing, and hand washing. (medscape.com)
  • Variation exists among diagnostic methods for identification of types and subtypes of influenza (see Tables 1, 2, and 3). (medscape.com)
  • Subtypes of influenza A are not identified. (medscape.com)
  • The nomenclature for influenza viruses is based on their geographical origin and year of isolation. (pasteur.fr)
  • We report here the isolation of swine influenza A viruses with haemagglutinin and nucleoprotein genes which are virtually identical to those of the human virus that circulated in 1975. (microbiologyresearch.org)
  • Initial reports of confirmed cases of pandemic use of antiviral treatment and masks, isolation of cases influenza A(H1N1) 2009 (pH1N1) in Australia and and quarantine of contacts. (who.int)
  • There are only a limited number of studies that describe the safety of giving influenza vaccine to pregnant women. (medscape.com)
  • Since mammalian influenza A viruses change annually by genetic drift, this reappearance could only be attributed at that time to conservation of the virus in a frozen state. (microbiologyresearch.org)
  • Students comprised the majority of early cases of influenza A(H1N1)pdm09 in Melbourne, Australia. (who.int)
  • Hospitals also send us influenza virus strains from severe cases or treatment failures so that we can analyze their sensitivity to antiviral drugs. (pasteur.fr)
  • Schoolchildren and university students are vulnerable to swine flu, suggesting that avoidance of close contact, especially among these young people, may be effective way in controlling future severe influenza pandemics , especially at educational institutions. (bvsalud.org)
  • Influenza B viruses may cause milder disease but often cause epidemics with moderate or severe disease, either as the predominant circulating virus or along with influenza A. (msdmanuals.com)
  • A diagnosis of confirmed swine flu requires laboratory testing of a respiratory sample (a simple nose and throat swab). (wikipedia.org)
  • Weaver's laboratory is spearheading an effort that uses Epigraph, a data-based computer technique co-developed by Bette Korber and James Theiler of Los Alamos National Laboratory, to create a more broad-based vaccine against influenza, which is notoriously difficult to prevent because it mutates rapidly. (nationalhogfarmer.com)
  • Her laboratory in Valhalla, N.Y., is one of just three worldwide that reproduces "seed" viruses for the influenza vaccine, which begins the process of producing some 450 million doses of a new vaccine each year. (swiny.org)
  • Cases were 481 outpatients aged 18 years or older with laboratory-confirmed influenza A(H1N1)09 in the 2009-2010 season in Spain. (medscape.com)
  • As influenza A(H5N1) virus is thought to be circulating widely in poultry in Cambodia and Indonesia, additional sporadic human cases or small clusters might be expected in the future. (flutrackers.com)
  • However, this influenza A(H5N1) virus does not currently appear to transmit easily among people. (flutrackers.com)
  • A newly developed influenza vaccine against the H5N1 subunit of the avian influenza virus, which has pandemic potential, has been shown to be highly immunogenic in younger and older adults . (medscape.com)
  • In January 2010, the Executive Board at its 126th session agreed to establish an open-ended working group of Member States the aim of which was to reach agreement on remaining elements under the Pandemic Influenza Preparedness Framework for the sharing of influenza viruses and access to vaccine and other benefits. (who.int)
  • Hence the concern for avian or bird influenza which has caused huge pandemic influenza fears in recent years. (kiddoc.org)
  • We coordinate the National Reference Center for Influenza. (pasteur.fr)
  • Diagnostic influenza tests aid with identification of influenza types A and B and influenza A subtypes 2009 H1N1, H1, H3, H5, N1, and N2. (medscape.com)
  • Identification of influenza A subtypes is possible, although not routinely practiced, with these diagnostic methods. (medscape.com)
  • So what is it about Influenza A that makes it a top candidate for pandemics? (science20.com)
  • Every 10 to 15 years, influenza undergoes a dramatic genetic change ( antigenic shift ) which as described, is responsible for epidemics/pandemics. (science20.com)
  • Many discuss its genealogy deduced from its gene sequences, however it seems that we have no clearer evidence of its immediate origins than we have of the influenzas that caused past influenza pandemics. (biomedcentral.com)
  • Influenza pandemics occurred in 1918, 1957 and 1968. (who.int)
  • Images from the article on the development of primary cell cultures from swine epithelial cells to study influenza viruses are featured on the cover of the February 2019 Virology journal. (sdepscor.org)
  • Another surprising finding from the study was the rapid antibody response in the animals infected with the 1918 virus, which is not typically reported for the swine influenza virus. (scienceblog.com)
  • Human IgG antibody Laboratories manufactures the swine influenza elisa kit reagents distributed by Genprice. (aabioetica.org)
  • Description: Quantitativesandwich ELISA kit for measuring Human influenza B virus (FluB) antibody (IgG) in samples from serum, plasma, cell culture supernates, tissue homogenates. (aabioetica.org)
  • Description: The Influenza A IgA Antibody ELISA Test Kit has been designed for the the detection and the quantitative determination of specific IgA antibodies against Influenza A in serum and plasma. (aabioetica.org)
  • On 11 June 2009, the WHO raised the influenza pandemic alert to phase 6 after determining the scientific criteria for an influenza pandemic had been met. (who.int)
  • Avian influenza viruses replicate in the gastrointestinal tract while human influenza viruses replicate in the respiratory tract-as conveyed by their differential genetic makeup. (science20.com)
  • A 2011 CDC analysis reaffirms the importance of vaccinating pregnant women regardless of trimester and prompt treatment with a neuraminidase inhibitor (ie, within 2 d of symptom onset) if influenza occurs during pregnancy. (medscape.com)
  • From 2005 until January 2009, 12 human cases of swine flu were reported in the United States. (medscape.com)
  • The city had recorded 895 positive cases of swine flu till Monday, which included 712 adults and 183 children, the report by the city's Directorate General of Health Services said Tuesday. (indiatimes.com)
  • Bollywood has been surveyed, and the results are in -- citizens are very anxious and nervous about the swine flu epidemic. (fluwikie.com)
  • Scholars@Duke publication: Origins and evolutionary genomics of the 2009 swine-origin H1N1 influenza A epidemic. (duke.edu)