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Phylogenetic and antigenic characterization of reassortant H9N2 avian influenza viruses isolated from wild waterfowl in the East Dongting Lake wetland in 2011-2012
Wild waterfowl are recognized as the natural reservoir for influenza A viruses. Two distinct lineages, the American and Eurasian lineages, have been identified in wild birds.
Gene flow between the two lineages is limited. The H9N2 virus has become prevalent in poultry throughout Eurasia, and mainly circulates in wild ducks and shorebirds in North America. ..
...Conclusions: This study presents the isolation of novel intercontinental recombinant H9N2 viruses from wild waterfowl in the East Dongting Lake wetland. The novel genotype H9N2 virus has not been detected in poultry in the region yet, and may be transmitted to naive birds in poultry farms.
Therefore, our results highlight the need for ongoing surveillance of wild birds and poultry in this region.
Author: Yun ZhuShixiong HuTian BaiLei YangXiang ZhaoWenfei ZhuYiwei HuangZhihong DengHong ZhangZhiyong BaiMingdong YuJianfei HuangYuelong Shu
Credits/Source: Virology Journal 2014, 11:77
Published on: 2014-04-30
Phylogenetic and antigenic characterization of reassortant H9N2 avian influenza viruses isolated from wild waterfowl in the East Dongting Lake wetland in 2011-2012
Wild waterfowl are recognized as the natural reservoir for influenza A viruses. Two distinct lineages, the American and Eurasian lineages, have been identified in wild birds.
Gene flow between the two lineages is limited. The H9N2 virus has become prevalent in poultry throughout Eurasia, and mainly circulates in wild ducks and shorebirds in North America. ..
...Conclusions: This study presents the isolation of novel intercontinental recombinant H9N2 viruses from wild waterfowl in the East Dongting Lake wetland. The novel genotype H9N2 virus has not been detected in poultry in the region yet, and may be transmitted to naive birds in poultry farms.
Therefore, our results highlight the need for ongoing surveillance of wild birds and poultry in this region.
Author: Yun ZhuShixiong HuTian BaiLei YangXiang ZhaoWenfei ZhuYiwei HuangZhihong DengHong ZhangZhiyong BaiMingdong YuJianfei HuangYuelong Shu
Credits/Source: Virology Journal 2014, 11:77
Published on: 2014-04-30