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用SPRIA双夹心法对饮食、公共场所从业人员进行了血清抗HAV-IgM检测。结果表明,11992人中24人阳性,平均S/N值为4.2,各月检出率与湖北省、宜昌市及其城区相应月份的甲肝发病率相关非常显著(P<0.01)。因此,当甲肝爆发或流行时,在成人中检测抗HAV-IgM,对于发现轻型或隐性感染的状况具有流行病学意义。
Serum anti-HAV-IgM tests were performed on diet and public places using the SPRIA double-sandwich method. The results showed that 24 out of 11992 people were positive with an average S / N value of 4.2. The detection rate of each month was significantly correlated with the incidence of hepatitis A in Hubei, Yichang and its corresponding months (P <0.01). Therefore, detection of anti-HAV-IgM in adults when hepatitis A is outbreak or epidemic has epidemiological implications for the detection of mild or latent infections.