前些天有篇文章講美國的早期新冠病例，除家人外，其他接觸者均無感染。這對當局影響很大

來源: fuz 於 2020-03-13 12:05:18 [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.