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31 dic 1989 anni - ELID Ⅱ期疫苗有效率85%

Descrizione:

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。

Aggiunto al nastro di tempo:

少女前线世界观补全计划

6 giorni fa

5

0

25908

Data:

31 dic 1989 anni

Adesso

~ 35 years ago

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