那就請你將疫苗和免疫的原理好好講講。看來你認為一針一針打下去應該是正常的免疫程序？

來源: 石頭村於 2021-12-13 14:42:47 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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