Texas A&M University, College Station, Texas, USA.
Emerg Infect Dis. 2010 Aug;16(8):1224-30. doi: 10.3201/eid1608.091864.
We studied the prevalence of influenza A virus in wintering waterfowl from the Central Flyway on the Gulf Coast of Texas. Of 5,363 hunter-harvested migratory and resident waterfowl and wetland-associated game birds sampled during 3 consecutive hunting seasons (September-January 2006-07, 2007-08, and 2008-09), real-time reverse transcription-PCR detected influenza A matrix sequences in 8.5% of samples, H5 in 0.7%, and H7 in 0.6%. Virus isolation yielded 134 influenza A viruses, including N1-N9, H1-H7, H10, and H11 subtypes. Low-pathogenicity H7 subtype was isolated during January, September, and November 2007 and January 2008; low-pathogenicity H5 subtype was isolated during November and December 2007.
我们研究了在德克萨斯州墨西哥湾沿岸中央飞行路线越冬水禽中甲型流感病毒的流行情况。在连续三个狩猎季节（2006-07 年、2007-08 年和 2008-09 年 9 月至 1 月）期间，对 5363 只被猎人捕获的迁徙和常驻水禽以及湿地相关猎禽进行了抽样检测，实时逆转录-PCR 检测到 8.5%的样本中存在甲型流感病毒基质序列，0.7%的样本中存在 H5 型，0.6%的样本中存在 H7 型。病毒分离得到了 134 株甲型流感病毒，包括 N1-N9、H1-H7、H10 和 H11 亚型。低致病性 H7 亚型于 2007 年 1 月、9 月和 11 月以及 2008 年 1 月分离得到；低致病性 H5 亚型于 2007 年 11 月和 12 月分离得到。
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