WHO chief says COVID vaccines may not work against new strains
[ad_1] World 23:08 GMT 08.02.2021(updated at 11:14 GMT on 08.02.2021) Get a short url In December 2020, a new variant of SARS-CoV-2 was reported in South Africa. The mutation, known as 501.V2, is said to be more aggressive and dangerous for young men. The new, highly transmissible strain could also be resistant to existing COVID-19 … Read more