PRRS controls viraemia and reduces virus shedding after a heterologous PRRSV challenge. ... Therefore, UNISTRAIN® PRRS is a useful tool to reduce the transmission of PRRS virus within and between pig populations. ... Moreover, vaccination with UNISTRAIN® PRRS significantly reduced the amount of virus excreted, the number of piglets excreting ... virus and also the duration of viral excretion in saliva after challenge. ...https://www.hipra.com/portal/de/hipra/knowledge/pubdetail/vaccination-with-unistrain-prrs-in-piglets-reduces-viraemia-and-excretion-of-prrsv-after-a-heterologous-challenge-with-a-spanish-strain
Norwalk virus shedding after experimental human infection. - Free Online Library
Norwalk virus shedding after experimental human infection.(RESEARCH, Clinical report) by 'Emerging Infectious Diseases'; Health ... and all but 2 also shed virus as measured by antigen ELISA (Table). Virus shedding as measured by IMC RT-PCR was first detected ... Fecal virus shedding among 16 participants inoculated with Norwalk virus * First-last study days ([dagger]) Estimated Norwalk ... Our findings suggest that clinical gastroenteritis was associated with higher peak virus shedding and higher total virus ...https://www.thefreelibrary.com/Norwalk+virus+shedding+after+experimental+human+infection-a0188062773
Duration of Influenza A Virus Shedding in Hospitalized Patients and Implications for Infection Control | Infection Control &...
Duration of Influenza A Virus Shedding in Hospitalized Patients and Implications for Infection Control - Volume 28 Issue 9 - ... Hospitalized patients with influenza A virus infection can shed detectable virus beyond the 5- to 7-day period traditionally ... 2. Talbot TR, Crocker DD, Peters J, et al. Duration of virus shedding after trivalent intranasal live attenuated influenza ... Viral shedding in children with influenza virus infections treated with neuraminidase inhibitors. Pediatr Infect Dis J 2005;24: ...https://www.cambridge.org/core/journals/infection-control-and-hospital-epidemiology/article/duration-of-influenza-a-virus-shedding-in-hospitalized-patients-and-implications-for-infection-control/DEA5B2FE41800BA25CBA92322377E0D7
Table - Norwalk Virus Shedding after Experimental Human Infection - Volume 14, Number 10-October 2008 - Emerging Infectious...
Virus shedding was first detected by antigen ELISA ≈33 hours (median 42 hours) after inoculation and lasted 10 days (median 7 ... Virus shedding was first detected by reverse transcription-PCR (RT-PCR) 18 hours after participant inoculation and lasted a ... To determine the magnitude and duration of virus shedding in feces, we evaluated persons who had been experimentally infected ... The median peak amount of virus shedding was 95 × 109 (range 0.5-1,640 ×109) genomic copies/g feces as measured by quantitative ...https://wwwnc.cdc.gov/eid/article/14/10/08-0117-t1
Protection and virus shedding of falcons vaccinated against influenza A virus (H5N1) | Veterinary Sciences Tomorrow
Protection and virus shedding of falcons vaccinated against influenza A virus (H5N1). Posted on December 10, 2007. by Vetscite ... Vaccinated birds showed no influenza virus antigen in tissues and shed virus at lower titers from the oropharynx only. ... Vaccination could protect these valuable birds and, through reduced virus shedding, reduce risk for transmission to other avian ... and these birds shed high levels of infectious virus from the oropharynx and cloaca. ...http://vetscite.org/2007/12/protection-and-virus-shedding-of-falcons-vaccinated-against-influenza-a-virus-h5n1/
Figure 2 - Protection and Virus Shedding of Falcons Vaccinated against Highly Pathogenic Avian Influenza A Virus (H5N1) -...
Vaccinated birds showed no influenza virus antigen in tissues and shed virus at lower titers from the oropharynx only. ... Vaccination could protect these valuable birds and, through reduced virus shedding, reduce risk for transmission to other avian ... and these birds shed high levels of infectious virus from the oropharynx and cloaca. ... Ten falcons vaccinated with an inactivated influenza virus (H5N2) vaccine seroconverted. We then challenged 5 vaccinated and 5 ...https://wwwnc.cdc.gov/eid/article/13/11/07-0705-f2
Antiretroviral therapy is not associated with reduced herpes simplex virus shedding in HIV coinfected adults: an observational...
Cervical shedding of herpes simplex virus in human immunodeficiency virus-infected women: effects of hormonal contraception, ... Increased genital shedding of herpes simplex virus type 2 in HIV-seropositive women. Ann Intern Med 1995;123:845-7. ... One of the very few studies to examine subclinical herpes simplex virus (HSV) shedding in adults coinfected with HIV on highly ... Rapidly cleared episodes of oral and anogenital herpes simplex virus shedding in HIV-infected adults. J Acquir Immune Defic ...http://bmjopen.bmj.com/content/4/1/e004210
Virus Shedding and Potential for Interspecies Waterborne Transmission of Highly Pathogenic H5N1 Influenza Virus in Sparrows and...
To assess the duration and routes of virus shedding and the waterborne virus transmission of HPAI H5N1 virus between sparrows ... the sparrows shed virus for several days, and their drinking water was rapidly contaminated with virus. The long-term shedding ... The undetectable level of virus in the water trough of inoculated chickens, all of which shed high levels of virus from the ... Virus Shedding and Potential for Interspecies Waterborne Transmission of Highly Pathogenic H5N1 Influenza Virus in Sparrows and ...http://pubmedcentralcanada.ca/pmcc/articles/PMC2838142/
Herpes Virus Expert Sheds Light on Chronic Fatigue Syndrome Mysteries
... and as it was the sixth such virus to be discovered it was called human herpes virus 6. Other Herpes Viruses. Other herpes ... The herpes virus that causes mononucleosis, Epstein-Barr virus, also know as HHV-4, was initially suspected as a cause of CFS. ... Ablashi has done research on this virus also and he published in 1995 that "the involvement of Epstein-Barr virus in CFS ... These researchers published their findings about this new virus in 1986. Later they confirmed this was a herpes virus, ...http://www.prohealth.com/library/showarticle.cfm?libid=9411
Prolonged measles virus shedding in human immunodeficiency virus-infected children, detected by reverse transcriptase-...
Of 47 children, 29 (61.7%) had prolonged measles virus shedding, as defined by detection of measles virus RNA in , or =1 ... Prolonged measles virus shedding in human immunodeficiency virus-infected children, detected by reverse transcriptase- ... Ten (90.9%) of 11 human immunodeficiency virus (HIV)-infected children had prolonged measles virus shedding, compared with 19 ( ... Prolonged measles virus shedding did not correlate with levels of measles virus-specific antibody. HIV-infected children with ...http://researchonline.lshtm.ac.uk/16909/
Effect of Tenofovir on Genital Herpes Simplex Virus (HSV) Shedding - Full Text View - ClinicalTrials.gov
... shedding among herpes simplex virus type-2 (HSV-2) seropositive, human immunodeficiency virus (HIV) seronegative women. The ... Effect of Tenofovir on Genital Herpes Simplex Virus (HSV) Shedding. The safety and scientific validity of this study is the ... DNA Virus Infections. Virus Diseases. Skin Diseases, Viral. Skin Diseases, Infectious. Skin Diseases. Tenofovir. Antiviral ... Asymptomatic Shedding (Shedding on Days Without Genital Lesions) [ Time Frame: Comparison of 4 weeks of treatment phase with 4 ...https://clinicaltrials.gov/ct2/show/NCT01448616?recr=Open&cond=%22Herpes+Genitalis%22&rank=4
Ferrets Shed Light on New Virus's Severity and Spread | Science
The new virus is a bit more pathogenic than seasonal influenza but nowhere near as dangerous as the 1918 pandemic virus or H5N1 ... The studies disagree, however, on how easily the virus spreads: One team concludes that it does so very well, but the other ... that the new virus is a bit more pathogenic than seasonal influenza but nowhere near as dangerous as the 1918 pandemic virus or ... that the new virus is a bit more pathogenic than seasonal influenza but nowhere near as dangerous as the 1918 pandemic virus or ...http://science.sciencemag.org/content/325/5936/17.summary
Biologists Shed Light on How Deadly Virus Becomes Infectious
Biologists have mapped how a deadly class of viruses including dengue, West Nile, yellow fever and encephalitis become ... West Nile Complications Pinned Down To Virus Reach In Nerve Cells. Scientists believe they have found an explanation for a ... The findings pertain to all viruses in the family of flaviviruses which are carried by mosquitoes and ticks. They found that a ... This structural change, which occurs as the virus is being secreted from its host, allows the protein to infect other cells ...https://www.medindia.net/news/Biologists-Shed-Light-on-How-Deadly-Virus-Becomes-Infectious-34726-1.htm
New polio virus immune to vaccines? This man shed virus for 28 years
... has been shedding live virus in his stool for 28 years. Though he received vaccination at the right intervals, his health ... This man shed virus for 28 years. New polio virus immune to vaccines? This man shed virus for 28 years. Anirudh Madhav August ... A new study found that a man in the United Kingdom, immunized with polio vaccine as a child, has been shedding live virus in ... "The virus is no different than any other polio virus," said Dr. Javier Martin, biologist at the National Institute for ...http://thenextdigit.com/25851/new-polio-virus-immune-vaccines-man-shed-virus-28-years/
Genomic hitchhikers in birds shed light on evolution of viruses | EurekAlert! Science News
Analysis of these viral sequences, known as endogenous retroviruses, can provide insights into how both hosts and viruses have ... The genomes of birds are riddled with DNA sequences from viruses, according to a study to be published on October 16 in mBio®, ... Genomic hitchhikers in birds shed light on evolution of viruses. American Society for Microbiology ... The genomes of birds are riddled with DNA sequences from viruses, according to a study to be published on October 16 in mBio®, ...https://www.eurekalert.org/pub_releases/2012-10/asfm-ghi101212.php
Shift in feeding behavior of mosquitoes sheds light on West Nile virus outbreaks | EurekAlert! Science News
... feeding behavior of mosquitoes from birds to mammals in late summer amplifies the number of human infections of West Nile virus ... Shift in feeding behavior of mosquitoes sheds light on West Nile virus outbreaks. PLOS ... Shift in feeding behavior of mosquitoes sheds light on West Nile virus outbreaks ... We are now using this approach to help understand the emergence and spread of other viruses such as SARS, Nipah virus and avian ...https://www.eurekalert.org/pub_releases/2006-02/plos-sif022306.php
New Findings Shed Light on Deadly Nipah Virus -- MEDICA Trade Fair
Designated as a potential bioterrorism agent by the National Biodefense Research Agenda, the virus exploits a protein essential ... UCLA scientists have discovered how the deadly Nipah virus infiltrates human cells to cause encephalitis. ... the UCLA team engineered a harmless virus with Nipah virus proteins embedded in its coat. The decoy virus successfully infected ... a danger level equivalent to the Ebola virus. To infect a cell, viruses must bind to a viral-specific receptor on the cell's ...https://www.medica-tradefair.com/cgi-bin/md_medica/lib/pub/tt.cgi/New_Findings_Shed_Light_on_Deadly_Nipah_Virus.html?oid=15893&lang=2&ticket=g_u_e_s_t
Viruses | Free Full-Text | New Structure Sheds Light on Selective HIV-1 Genomic RNA Packaging
Two copies of unspliced human immunodeficiency virus (HIV)-1 genomic RNA (gRNA) are preferentially selected for packaging by ... Viruses 2015, 7, 4826-4835. AMA Style. Olson ED, Cantara WA, Musier-Forsyth K. New Structure Sheds Light on Selective HIV-1 ... Viruses 2015, 7(8), 4826-4835; doi:10.3390/v7082846. New Structure Sheds Light on Selective HIV-1 Genomic RNA Packaging. Erik D ... "New Structure Sheds Light on Selective HIV-1 Genomic RNA Packaging." Viruses 7, no. 8: 4826-4835. ...http://www.mdpi.com/1999-4915/7/8/2846
Virus grows tube to insert DNA during infection, then sheds it | NSF - National Science Foundation
Researchers have discovered a tube-shaped structure that forms temporarily in a certain type of virus to deliver its DNA during ...https://www.nsf.gov/news/news_summ.jsp?cntn_id=129960
Trial to Investigate Viral Shedding in Healthy Children Vaccinated With Vaccine Virus Liquid (CAIV-T) - Tabular View -...
Trial to Investigate Viral Shedding in Healthy Children Vaccinated With Vaccine Virus Liquid (CAIV-T). The safety and ... Trial to Investigate Viral Shedding in Healthy Children Vaccinated With Vaccine Virus Liquid (CAIV-T). ... who shed each vaccine virus strain following a single dose of CAIV-T.. ... A Randomized, Double-Blinded, Placebo-Controlled Trial to Investigate Viral Shedding in Healthy Children (6 Mos and Less Than ...https://clinicaltrials.gov/ct2/show/record/NCT00192387
Most SARS patients in China out of hospital | CIDRAP
Li fell ill after caring for Song in a Beijing hospital from Mar 29 to Apr 2; later the virus apparently spread from Li to five ... Song is believed to have contracted the virus while working in a National Institute of Virology laboratory in Beijing in March ...http://www.cidrap.umn.edu/news-perspective/2004/05/most-sars-patients-china-out-hospital
Most SARS cases in Singapore traced to five 'super spreaders' | CIDRAP
On one hand, they say this suggests that the virus "is not likely to change rapidly and thus may not readily mutate to a benign ... Despite the differences the researchers found in the various isolates, the overall findings suggest that the virus "is ... They identified two distinct genotypes, suggesting that virus groups associated with contact sources and geography are emerging ... infection." On the other hand, the apparent genetic stability of the virus bodes well for the development of an effective ...http://www.cidrap.umn.edu/news-perspective/2003/05/most-sars-cases-singapore-traced-five-super-spreaders
Lab tests exclude SARS in British Columbia outbreak | CIDRAP
... according to regional public health officials.The virus appears to be another member of the coronavirus family, officials said ... The virus appears to be another member of the coronavirus family, officials said. Earlier indications of the presence of a ... "We have clearly found large sequences of the virus that are not present in the SARS coronavirus," said Dr. David Patrick, ... The symptoms caused by this family of viruses are consistent with those of the patients at Kinsmen Place Lodge in Surrey. ...http://www.cidrap.umn.edu/news-perspective/2003/08/lab-tests-exclude-sars-british-columbia-outbreak
Welcome to CDC stacks | Long-term Shedding of Influenza A Virus in Stool of Immunocompromised Child - 18060 | Emerging...
We describe chronic influenza A virus infection in an immunocompromised child who had prolonged shedding of culturable ... Long-term Shedding of Influenza A Virus in Stool of Immunocompromised Child ... Viable virus was rarely isolated. Viral RNA positivity had little correlation with gastrointestinal symptoms and ou... ... In immunocompromised patients, influenza infection may progress to prolonged viral shedding from the respiratory tract despite ...https://stacks.cdc.gov/view/cdc/18060
Mouse model could shed new light on immune system response to Zika virus | EurekAlert! Science News
A new mouse model with a working immune system could be used in laboratory research to improve understanding of Zika virus ... Mouse model could shed new light on immune system response to Zika virus Scientists successfully infect adult mice with healthy ... Mouse Model Could Shed New Light on Immune System Response to Zika Virus (IMAGE) view more ... Mouse model could shed new light on immune system response to Zika virus. PLOS ...https://www.eurekalert.org/pub_releases/2017-02/p-mmc021617.php