COVID-19 variant spreading in New York City has mutation that may weaken effect of vaccines

[السياسي]

The B.1.526 variant first appeared in samples collected in New York City in November and has two versions, which contain the E484K and S477N mutations.

https://www.dailymail.co.uk/news/article-9297437/COVID-19-variant-spreading-New-York-City-mutation-weaken-effect-vaccines.html?ns_mchannel=rss&ito=1490&ns_campaign=1490 ]قرااء المزيد ..... [/url]