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Investigation of surveillance on human infection with avian influenza in Guangzhou in 1997 to 2006
Author(s): 
Pages: 197-199,206
Year: Issue:  4
Journal: JOURNAL OF MICROBES AND INFECTION

Keyword:  禽流感抗体监测环境;
Abstract: 目的 在禽畜饲养、销售、宰杀场所和发生人禽流感疫情的疫点开展人感染禽流感的监测,探索禽流感病毒感染人的流行病学特征.方法 采集广州市禽流感相关高危人群的血清样本,用微量血凝抑制半加敏法进行检测.对监测到的H9N2阳性病例和H5N1的感染者进行流行病学调查.结果 近年来广州市禽接触职业人群H9感染率为4.56%(0.51%~10.00%),各年龄组差异无显著性;H5N1患者有多个售卖活禽肉菜市场活动史,1例H9N2患者及1例H5N1感染者无直接接触禽类活动史,另1例H5N1感染者为活禽交易市场禽类宰杀人员.结论 H5N1和H9N2可在相关高危人群造成隐性感染或轻症感染;除禽饲养场所外,农贸市场的活禽销售、宰杀场所也存在禽流感病毒感染的风险.
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