Article
Genotypic evolution and antigenic drift of H9N2 influenza viruses in China from 1994 to 2008.
Veterinary microbiology - 15 Dec 2010
Sun Yipeng, Pu Juan, Jiang Zhanlei, Guan Tao, Xia Yingju, Xu Qi, Liu Linqing, Ma Bo, Tian Fulin, Brown E G, Liu Jinhua
Abstract excerpt
H9N2 influenza viruses have been circulating in China since 1994, but a systematic investigation of H9N2 in northern China has not been undertaken since 2004. Here, using the sequences of 22 viruses we isolated from poultry and pigs in northern China during 2003-2008, in combination with sequences available in a public database, we analyzed the evolution of H9N2 influenza viruses in China from 1994 to 2008. Our...
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