Pfizer says its Covid vaccine DOES work against South African variant

[السياسي]

The research by the US firm strongly suggests the vaccine will still be able to kill off the new strain before it can trigger a serious illness; it said the mutations had 'small effects'.

https://www.dailymail.co.uk/news/article-9197497/Pfizer-says-Covid-vaccine-DOES-work-against-South-African-variant.html?ns_mchannel=rss&ito=1490&ns_campaign=1490 ]قرااء المزيد ..... [/url]