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dec 31, 1989 - ELID Ⅱ期疫苗有效率85%

Description:

1989 年 12 月 31 日，国际卫生组织宣布，ELID Ⅱ 型疫苗有 85% 的有效率。

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少女前线世界观补全计划

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Date:

dec 31, 1989

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~ 36 years ago

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