基本信息
文件名称：肝炎科普讲座.ppt
文件大小：1.26 MB
总页数：34 页
更新时间：2025-09-07
总字数：约4千字
文档摘要
**HepatitisBcaneffectivelybepreventedinnon-infectedindividualsbyvaccinationwithhepatitisBvaccine.Howeverforthe350millionpeopleintheworldwhoarealreadylong-termcarriersofhepatitisB,thesepeoplecannotbenefitfromvaccination.Thevaccineiseffectiveinover90%ofr