不好意思，不防感染的說法沒錯。至少我沒看到證據它防感染，因為疫苗作用於肺黏膜，防止過度反應。

來源: alpha123 於 2021-09-22 16:50:58 [舊帖] [給我悄悄話] 本文已被閱讀：次

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