宁波地区所售小海产品甲型肝炎病毒污染调查

Investigation of contamination of shellfish caused by hepatitis A virus in Ningbo area

目的调查宁波地区所售小海产品甲型肝炎病毒污染情况,以阻断甲型肝炎传播。方法于2005年1月18日到2月28日,从宁波市所辖的11个县市区的市场共采集样品148份,利用逆转录聚合酶链反应来检测甲型肝炎病毒的核酸。结果在148份样品中检测到1份样品被甲型肝炎病毒污染,检出率为0.68%。结论宁波地区所售小海产品甲型肝炎病毒污染情况并不严重,但是仍然要加强对其监测。污染样品为牡蛎,这是国内首次报道从牡蛎中检测到甲型肝炎病毒的核酸。

Objective To find the contaminative condition of HAV caused by shellfish of Ningbo area,and to prevent prevailence of hepatitis A by eating shellfish. Methods From January to February 2005, specimens of shellfish were collected from eleven regions of Ningbo area. These specimens were detected by the methods of RT-PCR to find HAV RNA. Results The HAV RNA was detected from one specimen. The positive rate of HAV was 0.68%. Conclusion The contaminative condition of HAV caused by shellfish of Ningbo area is not serious,but the surveillane should be strengthened. The case of HAV RNA detected from oyster is the first report in china.