旧闻新炒。这个变异来自欧洲，几个月以前就有了。两个月前就传到泰国了

看看下面图中的棕\兰色图区随时间的变化，就知道这个变异早就有了。从三四月起全球流行，五月起占主要地位。
https://www.cell.com/cell/pdf/S0092-8674(20)30820-5.pdf

https://www.sciencedaily.com/releases/2020/07/200702144054.htm

The D614G variant first came to our attention in early April, as we had observed a strikingly repetitive pattern. All over the world, even when local epidemics had many cases of the original form circulating, soon after the D614G variant was introduced into a region it became the prevalent form.

 

 

https://www.thailandmedical.news/news/warning-d614g-mutation-coronavirus-strains-from-europe-could-render-those-recovered-from-earlier-strains-defenseless-according-to-china

 

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• Oh this, I've read it a while ago. --worldance-- ♀ (41 bytes) () 08/16/2020 postreply 20:01:27