蘇聯解體，白喉疫苗失去穩定的供應，之後的幾年白喉爆發，98000人染病，3400人死亡。

來源: TBz 於 2015-12-27 11:15:16 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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