问题是正常人口每200万人在健康状态下在14天内会有12400人感染新冠吗？

来源: 红泥小火炉于 2021-01-31 06:54:43 [旧帖] [给我悄悄话] 本文已被阅读：次

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