BECKHAM
02-02-2021, 07:24 PM
Trials with 20,000 volunteers show the vaccine gives a high level of protection against Covid-19.
for more .... (https://www.bbc.co.uk/news/health-55900622)
for more .... (https://www.bbc.co.uk/news/health-55900622)
مشاهدة النسخة كاملة : Russia's Sputnik V vaccine has 92% efficacy in trial