目前CDC的初步數據是90%有效，預計這個月會有更準確的數據。

來源: solo1 於 2021-06-06 12:01:00 [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.