這個知識點有看頭。粗淺的認識是疫苗讓免疫係統處於亢奮狀態，久而久之，免疫係統疲勞，失去敏感性。

來源: heysofie 於 2021-09-22 23:46:00 [舊帖] [給我悄悄話] 本文已被閱讀：次

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