H2 strain attenuated live hepatitis A vaccines:protective efficacy in a hepatitis A outbreak

• 作 者: Zhao YL Meng ZD Xu ZY Guo JJ C
• 机 构: HebeiProvSanit&,AntiepidemStn,ShanghaiMedUniv,ZhejiangAcadMedSci
• 出 处: 世界胃肠病学杂志：英文版（电子版）
• 发表日期: 2000年6期
• 关键词: HEPATITIS A/prevention and control vaccines ATTENUATED INACTIVATED VIRAL HEPATIT
• 基金项目: national ninth five-year study program for tackling key scientific problems,No.03-01-01

AIM To investigate the protective efficacy ofH2 strain attenuated live hepatitis A vaccines（H2-strain vaccines）in hepatitis A（HA）outbreaks.METHODS With the permission of theirparents,5551 pre-school and grade 1-3 primaryschool children were inoculated wit