1、

the scientists gave mice a primary vaccination and two booster vaccines to mimic as closely as possible the schedule used in patients.

科学家们给鼠注射一种初始疫苗,两种增强疫苗,尽可能的模拟病人的时间安排。

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2、

after age 40, protection following the primary vaccination series drops below 90%.

对于40岁以上的人,接种主要系列疫苗后产生的保护作用有所下降,有效性不到90%。

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3、

observation on the efficacy of measles primary vaccination in xiangqiao district, chaozhou

潮州市湘桥区麻疹疫苗初免效果观察

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4、

A primary study on control of tomato mosaic disease by vaccination of attenuated virus

利用弱毒株系在番茄上防治烟草花叶病毒的番茄株系试验初报

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5、

Methods The children who were the second grade class of primary schools were investigated the history of the BCG vaccination, BCG scar, native place and conducted PPD test.

方法对小学二年级学生进行卡介苗接种史、卡痕、户口所在地、出生地情况调查,同时进行人型-PPD试验。

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