نتایج جستجو برای: h3n2
تعداد نتایج: 2670 فیلتر نتایج به سال:
Influenza activity in the United States began to increase in mid-November, remained elevated through February 21, 2015, and is expected to continue for several more weeks. To date, influenza A (H3N2) viruses have predominated overall. As has been observed in previous seasons during which influenza A (H3N2) viruses predominated, adults aged ≥65 years have been most severely affected. The cumulat...
background and aims: influenza vaccination is one of the best way to prevent and control influenza worldwide. it is manufactured by who-licensed companies based on the who expertise committee annually. the aim of this study was partial quality control of the commercial human influenza vaccine 2008-9 and its matching with the circulating strains. materials and methods: the trivalent imported vac...
During July to September 2014, we performed a controlled, cross-sectional, seroepidemiologic study among 203 swine workers and 115 control subjects in Guangdong Province. Sera were tested using a hemagglutination inhibition assay against locally-isolated swine H3N2 and H1N1 viruses and commercially-obtained human influenza viral antigens. We found swine workers had a greater prevalence and odds...
H3N2, H5N1 and H5N8 virus were wide-spread epidemic in South Korea. Especially in 2014 Korea, the serious outbreak of avian influenza caused by H5N8 took place, effecting not only birds but also dogs. Antibody of H5N8 virus was found on a dog which differentiated the virus from existing H3N2 canine virus. At this point, we wanted to find out why H5N8 was self-medicated in dogs and whether H5N8 ...
Twelve avian-origin H3N2 influenza strains were isolated from dogs with signs of respiratory disease in northern China during 2009-2010. Phylogenetic analysis showed that eight gene segments of all the isolates had a close relationship with those of avian-origin H3N2 canine influenza viruses (CIVs) from South Korea and southern China. Genetic analysis indicated that these isolates had a PERQTR/...
The distribution and prevalence of H3 subtype influenza viruses in avian and mammalian hosts constitutes a potential threat to both human and avian health. We report a complete genome sequence of a novel reassortant H3N2 avian influenza virus. Phylogenetic analysis showed that HA and NA showed the highest sequence homologies with those of A/white-backed munia/Hong Kong/4519/2009 (H3N2). However...
Agricultural fairs provide an opportunity for bidirectional transmission of influenza A viruses. We sought to determine influenza A virus activity among swine at fairs in the United States. As part of an ongoing active influenza A virus surveillance project, nasal swab samples were collected from exhibition swine at 40 selected Ohio agricultural fairs during 2012. Influenza A(H3N2) virus was is...
In South Korea, where avian influenza virus subtypes H3N2, H5N1, H6N1, and H9N2 circulate or have been detected, 3 genetically similar canine influenza virus (H3N2) strains of avian origin (A/canine/Korea/01/2007, A/canine/Korea/02/2007, and A/canine/Korea/03/2007) were isolated from dogs exhibiting severe respiratory disease. To determine whether the novel canine influenza virus of avian origi...
The seasonal influenza vaccine is currently the most effective preventive modality against influenza infection. Nasopharyngeal samples of vaccinated and non-vaccinated patients presenting with Influenza-like-illness (ILI) were collected from over 20 outpatient clinics located in different geographic parts of Israel and were tested for the presence of influenza viruses (influenza A and influenza...
We surveyed live-poultry markets in Korea in 2003 and isolated 9 H9N2, 6 H3N2, and 1 H6N1 influenza viruses. Antigenic and phylogenetic analyses showed that all 9 H9N2 isolates were of A/Chicken/Korea/25232-96006/96-like lineage (which caused disease in chickens in Korea in 1996) but were different from H9N2 viruses of southeastern China. They had at least 4 genotypes and replicated in chickens...
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