按多阶段整群随机抽样方法,在嘉兴市区抽取三个居民会498人,进行五型肝炎病毒血清标志物检测.HAV感染率为64.06%;HBsAg、抗-HBs、抗-HBc阳性率分别为7.83%,24.30%和35.14%,HBV感染率为48.80%.HAV、HBV感染率均呈随年龄上升而增高的趋势.HCV感染率为2.61%,HEV感染率为8.03%.未发现HDV感染者.调查发现,各型之间的重叠感染类型有12种. According to the multistage cluster random sampling method, 498 residents of three residents were sampled in Jiaxing urban area to detect the serological markers of hepatitis B virus (HAV), the rate of HAV infection was 64.06%. The positive rates of HBsAg, anti-HBs and anti-HBc were Were 7.83%, 24.30% and 35.14% respectively.The infection rate of HBV was 48.80% .The infection rate of HAV and HBV increased with age.The infection rate of HCV was 2.61%, and the infection rate of HEV was 8.03% .No HDV infection was found The survey found that there are 12 types of overlapping infections among different types.