المساعد الشخصي الرقمي

مشاهدة النسخة كاملة : Covid Brazil variant 'may spread more easily'


BECKHAM
02-03-2021, 07:59 PM
The first detailed studies of the P.1 variant suggest it may be up to twice as transmissible.

for more .... (https://www.bbc.co.uk/news/health-56252779)