booster dose

美 [ˈbuːstər doʊs]英 [ˈbuːstə(r) dəʊs]

booster dose

noun

an additional dose that makes sure the first dose was effective: Synonym: booster booster shot recall dose

数据来源：WordNet

1

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。
2

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；
3

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；