方法观察367名接种卡介苗后满12周儿童卡痕形成情况，并对其纯蛋白衍生物试验阳转结果进行分析。

Methods To observe the scar shapes of 367 infants aged 12 weeks after BCG vaccination and to analyze the purified protein derivative seroconversion results.

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在一次介绍会上，这些旅行者被告知每人都需要签证、入境卡和伤寒疫苗接种证明。

At an orientation meeting, the travelers were told that a visa, a landing card, and evidence of inoculation against typhoid fever would be needed by each of them.

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但在那之前的两个小时，门口已经有数百人在排队等候领取接种所需的编号卡了。

But two hours before the centers opened, there were already hundreds of people waiting in line for the numbered CARDS that were needed to get the vaccination.

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