南非变异1月份也进入以色列了
这两个variant3-4个月就可以成为当地的主导毒株。
https://www.haaretz.com/israel-news/.premium-south-african-covid-variant-spreading-domestically-in-israel-testing-shows-1.9487958
global covid strains tracking
https://nextstrain.org/ncov/europe