人體內成千上萬種微生物，隻有極少數條件性致病。新冠病毒長期潛伏也許是件好事兒，不斷刺激免疫係統，保持對外來病毒的抵抗

來源: fuz 於 2022-01-12 06:47:44 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.