外行問題：有沒有可能COVID-19 是SARS病毒的變種？或者通過人工修改SARS病毒得到？

來源: 競選於 2023-03-13 07:29:05 [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.