not 100%, only 95% for smallpox

Kwseeto · 2022-01-21 22:35:17Z

not 100%, only 95% for smallpox簡介

來源: Kwseeto 於 2022-01-21 22:35:17 [檔案] [博客] [舊帖] [給我悄悄話] 閱讀數 : (0 bytes)

回答: the vaccine has been effective in preventing smallpox infection 由 Kwseeto 於 2022-01-21 22:33:05

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