??? 发表于 2020-10-23 18:28:01

????1200??? ??????2????

??: ????/??: 2020-10-22


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???????????????????????21??????1200????????????????????????????????????????24????21??????1000??????????????????????????????


??????????(John Hopkins University)???22????????????4156?1983????113?5289??????839?9689????22?2965??


??????????????????21?????????????6???21???6?2000????20??6?315????21???????1237??????????933???10????700?????8?19??????


???????????????????????13??????????????????????????????????????????????????????????????????????????????????2.7%????????


?9??10????????????????????????????????????????????????(Covid Tracking Project)?19???120??????????21???87???


??????????????9?4.6%????5.6%?????????????????????21??4?271????8?21???????10??????31%?


?????????????????????????????????????21????????4000??????????????????????


???????????????????????????????????5???????????1????????????????


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