306名健康人群乙、丙、丁、戊型肝炎病毒感染血清学调查

目的 了解中山市健康人群乙、丙、丁、戊型肝炎病毒感染状况。方法 随机抽样调查中山市3～5岁、7～9岁、12～18岁、50～70岁年龄组的健康人群肝炎病毒感染标志物携带情况，检测采用ELISA法。结果 中山市健康人群乙、丙、丁、戊型肝炎病毒感染率分别为7．47％、0．65％、0、1．62％，四型肝炎病毒感染均无性别差别，不同年龄组乙、丙、戊型肝炎病毒感染率均有显著性差异；乙型肝炎病毒感染以青少年为主，显著高于其它人群。结论 以乙型肝炎病毒感染为主，由于近10年来本市乙肝疫苗接种率较高，保护效果较好，因此幼儿感染率非常低，但青少年感染率较高，是今后一段时期内乙肝防治的重点对象。

A Serololgical Investigation on Hepatitis B to E Virus Inefction in 306 Healthy People

Objective To understand the infection situation of hepatitis B to E virus in health people in Zhongshan city. Methods The 3-5, 7-9, 12-18 and 50-70 age groups were randomly sampled. The serum virus label of hepatitis B to E was detected in the 4 age groups with ELISA Results The infection rates of hepatitis B to E were 7.47%,0.65%, 0, and 1.62% respectively. There was no signficant difference among hepatitis B to E virus infection. The infection rate of hepatitis B to E virus had significant difference in different age groups. The higher infection rate of hepatitis B was in teenage group. Conclusion The main type of hepatitis virus infection was hepatitis B virus. The reason why children were with low infection rate of hepatitis B was that the hepatitis B vaccination they received had provided effective protection. According to the result, the target group of hepatitis B vaccination teenage group in the future.