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目的了解广西和越南顺化两地大学新生甲型流感病毒H6亚型感染情况,探讨流感流行的现状和趋势。方法应用HI法,对随机抽取的两地医科大学2010级新生共500份血清样本进行H6亚型禽流感病毒抗体检测。结果广西医科大学和越南顺化医科大学新生H6亚型抗体阳性率分别为6.00%和7.20%,差异无统计学意义(P>0.05);广西医科大学男生(10.26%)比女生(2.26%)抗体阳性率高(P<0.05)。两地大学生H6亚型抗体分布均以小于1∶40的低浓度滴度为主。结论禽流感病毒H6亚型在广西和越南顺化医科大学新生中已有感染。需进一步加强对两地人群该亚型感染的监控。
Objective To investigate the prevalence of influenza A (H6) subtype infection among university freshmen in Hue and Hue, Vietnam, and to explore the status quo and trend of influenza pandemic. Methods HI method was used to detect H6 subtype avian influenza virus in 500 randomly selected serum samples from 2010 freshmen of two medical universities in the two places. Results The positive rates of H6 subtype antibodies in Guangxi Medical University and Hue Medical University in Vietnam were 6.00% and 7.20% respectively, with no significant difference (P> 0.05). The prevalence of H6 subtype antibodies in Guangxi Medical University (10.26%) and girls (2.26% The positive rate of antibody was high (P <0.05). The antibody distribution of H6 subtype in college students in both places was dominated by low concentration titer of less than 1:40. Conclusion The H6 subtype of avian influenza virus is already infected in the freshmen of Hue Medical University in Guangxi and Vietnam. Need to further strengthen the surveillance of the subtype infection in both populations.