from NDTV News - Special https://ift.tt/3aCYrCE
British drugmaker AstraZeneca said on Saturday its vaccine developed with the University of Oxford appeared to offer only limited protection against mild disease caused by the South African variant of...
from NDTV News - Special https://ift.tt/3aCYrCE
from NDTV News - Special https://ift.tt/3aCYrCE
إرسال تعليق