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病毒性肝炎防治研究 1.病毒性肝炎流行因素及疫苗使用策略研究 继续考核乙型肝炎血源疫苗远期预防效果,完成乙型肝炎基因工程疫苗人群免疫效果评价;对规范化甲型肝炎减毒活疫苗进行保护效果观察,得出人群免疫效果评价。用3年时间得出乙型肝炎基因工程疫苗、甲型肝炎减毒活疫苗抗体阳转率及保护效果的阶段结果。“九五”期末完成乙型肝炎基因工程疫苗近
Viral hepatitis prevention and control research 1. Viral hepatitis epidemic factors and vaccine use strategies continue to assess the long-term prevention of hepatitis B blood vaccine to complete the completion of hepatitis B genetically engineered vaccine population immune effect evaluation; standardization of hepatitis A attenuated live Vaccination to observe the effect of protection, come to the crowd immune evaluation. With 3 years to get hepatitis B genetically engineered vaccine, hepatitis A attenuated live vaccine antibody positive rate and the protective effect of phase results. Completion of hepatitis B gene engineering vaccine by the end of Ninth Five - Year