Sequence and phylogenetic analysis of H7N3 avian influenza viruses isolated from poultry in Pakistan 1995-2004
作者： Muhammad A Abbas , Erica Spackman , David E Swayne , Zaheer Ahmed , Luciana Sarmento
关键词: Phylogenetic tree 、 Gene 、 Biology 、 Sequence analysis 、 Influenza A virus 、 Phylogenetics 、 Genome 、 Poultry farming 、 Virology 、 Influenza A virus subtype H5N1
摘要: Background Avian influenza virus (AIV) infections have caused heavy economic losses to the poultry industry in Pakistan as well numerous other regions worldwide. The first introduction of H7N3 AIV occurred during 1995, since then H7N3, H9N2 and H5N1 AIVs each been sporadically isolated. This report evaluates genetic origin viruses from collected 1995-2004 how they disseminated within country. To accomplish this we produced whole genome sequences for 6 data HA NA genes an additional 7 isolates. All available sequence was included analysis.
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