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全军第五届传染病学术交流会及全军第二届病毒性肝炎学术交流会于1992年5月18～22口在重庆第三军医大学召开。现将会议交流概况介绍如下。一、病毒性肝炎 (一)流行病学在12所幼儿园2949例幼儿中发现HAV感染率在全托幼儿(31.19%)显著高于日托幼儿(14.52%),井随入托年限而升高;不同幼儿园HAV感染率与预防性消毒水平呈负相关。年龄大小与甲肝群体免疫力成正比,与甲肝发病率戍反比,但即使人群免疫水平较高,仍可发生甲肝暴发。成人甲肝暴发时有发生,214例甲肝患者中16～30岁患者占72%,学龄前儿童仅占2.8%。成人HBV感染串为28.06%～41.01%,HBsAg携带率为6.05%～11.71%。200例供血员中19例
The 5th PLA Infectious Diseases Academic Exchange Conference and the Second Armywide Academic Symposium on Viral Hepatitis Was held at the Third Military Medical University in Chongqing from May 1992 to May 1992. Now the meeting exchange brief introduction is as follows. 1. Viral Hepatitis 1. Epidemiology HAV infection rates among 2949 infants in 12 kindergartens were significantly higher than that of daycare children (31.19%) and higher with child care years The rate of HAV infection in kindergartens was negatively correlated with the level of preventive disinfection. Age and size is proportional to the immunity of hepatitis A population, and the incidence of hepatitis A is inversely proportional to, but even if the population is immunized with high levels of hepatitis A can still occur. Adult hepatitis A outbreaks have occurred, of 214 cases of hepatitis A patients accounted for 72% of patients aged 16 to 30, preschool children accounted for only 2.8%. The incidence of HBV infection in adults ranged from 28.06% to 41.01%, and that of HBsAg from 6.05% to 11.71%. 200 cases of blood donors in 19 cases