المساعد الشخصي الرقمي

مشاهدة النسخة كاملة : One Covid vaccine cuts infection risk in all age groups


BECKHAM
23-04-2021, 02:06 AM
Real-world data found the AZ and Pfizer jabs worked equally well in over-75s and younger people.

for more .... (https://www.bbc.co.uk/news/health-56844220)