AstraZeneca COVID jab ‘less effective against S Africa variant’

British drugmaker says its vaccine showed 'limited efficacy against mild disease' caused by the South African variant. from Al Jaz...

British drugmaker says its vaccine showed 'limited efficacy against mild disease' caused by the South African variant.

from Al Jazeera – Breaking News, World News and Video from Al Jazeera https://ift.tt/39XHMKA