任何事情都不是百分百的吧？我覺得隻是打了疫苗以後，患病幾率大大降低。不知道對不對，請疫苗專家科普。

來源: Joyluxf 於 2016-02-12 10:51:23 [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.