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16 lip 2009 · The first recognized case of human disease from a swine influenza triple reassortant influenza A (H1N1) virus occurred in a 17-year-old who had been exposed to pigs at a slaughterhouse in...
14 mar 2023 · Animal facts. Influenza in swine is an acute viral infection of the respiratory tract in pigs caused by type A influenza viruses. The mortality rate is low in pigs and recovery usually occurs within 7–10 days.
20 gru 2013 · In swine, influenza viruses primarily infect the epithelial cells lining the surface of the respiratory tract, from nasal mucosa to alveoli, but virus also has been detected in the glandular epithelial cells associated with the larger airways. The hallmark microscopic lesion is necrotizing bronchitis and bronchiolitis.
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. [2] As of 2009, identified SIV strains include influenza C and the subtypes of influenza A known as H1N1 , H1N2 , H2N1, H3N1 , H3N2 , and H2N3 .
1 sty 2021 · The H1N1 swine influenza viruses can potentially cause infections in humans if antigenic characteristics of the virus change. This A (H1N1)p09 was found to be mainly transmitting among humans and exhibits two surface antigens, hemagglutinin type 1 (HA1) and neuraminidase type 1 (NA1).
25 maj 2011 · To characterize in vivo replicative behaviour of viruses from the major SwIV lineages, we experimentally infected local domestic hybrid (Putian white and Nianbian variant) pigs (Sus scrofa ...
23 mar 2023 · The H1N1 flu, sometimes called swine flu, is a type of influenza A virus. During the 2009-10 flu season, a new H1N1 virus began causing illness in humans. It was often called swine flu and was a new combination of influenza viruses that infect pigs, birds and humans.
