这是去年 3月的文章， 怪不得说，如果有疫苗，可能。。。 网上有PDF

It is made available under a CC-BY-NC-ND 4.0 International license . 

(which was not certified by peer review) is the author/funder, who has granted medRxiv a license to display the preprint in perpetuity. 

medRxiv preprint doi: https://doi.org/10.1101/2020.03.04.20031112; this version posted March 6, 2020. The copyright holder for this preprint

所有跟帖： 

• 的确，太旧了，原载2020年5月22日《科学》。 -赌城看客- ♂ (160 bytes) () 04/28/2021 postreply 10:55:51