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Article

[Genetic evolution and substitution frequency of avian influenza virus HA gene in chicken H9N2 subtype in China in the last 20 years].

Wei sheng wu xue bao = Acta microbiologica Sinica - 4 Jan 2016

Meng Fang, Xu Huaiying, Zhang Wei, Huang Dihai, Zhang Zaihui, Liu Xia, Chang Weishan, Qin Zhuoming

Abstract excerpt

OBJECTIVE: Low pathogenic avian influenza (LPAI) H9N2 subtype virus has been prevalent in domestic poultry in China over two decades. This study was to determine the genetic evolution trend of H9N2 avian influenza virus (AIV) under immune pressure of vaccine. METHODS: H9 HA sequences of 40 isolates from the present study and 136 pandemic strains and 7 classical strains from China downloaded from GenBank, were...

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PMID: 27305778

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 6 Sept 2026. Manifest publication-graph-cohort-2026-09-06.1.

Source receipt: pubmed, retrieved 6 Sept 2026.

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