Those young children who have not received a booster dose of vaccine in more than a year should receive an injection upon exposure. 一年多没有接受加强剂量疫苗注射的年幼儿童,受暴露时,应接受一次注射。
Results GMT of each group arrived at the peak 1 months after re vaccination, then declined, and GMT of 6 months after booster dose was still significantly higher than that after primary immunization. 结果各组抗体水平均于再免疫后1个月达高峰,以后开始下降;再免半年后抗体水平仍明显高于初免抗体水平;
Conclusions A booster dose of live attenuated vaccine can induce secondary immune response well. 结论甲肝减毒活疫苗加强免疫能诱导很好的免疫记忆反应,其免疫学效果与史克灭活疫苗相当;