請問“病毒感染後，隻有5%的人產生保護性抗體", 能否給個出處鏈接？我覺得應該比這個數高。謝謝。

來源: swj2000 於 2020-04-14 10:54:47 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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