AstraZeneca vaccine being tweaked to fight South Africa variant
LONDON (AP) - Developers of the Oxford-AstraZeneca vaccine expect to have a modified jab to cope with the South Africa coronavirus variant by autumn, the vaccine's lead researcher…
LONDON (AP) - Developers of the Oxford-AstraZeneca vaccine expect to have a modified jab to cope with the South Africa coronavirus variant by autumn, the vaccine's lead researcher…