effective

Pfizer vaccine is only slightly less effective against key parts of the South African variant, the study concludes

Pfizer vaccine effective against virus mutations in the UK and South Africa, says company

Pfizer vaccine only slightly less effective against major African mutations: study

Pfizer vaccine less effective against major mutations in South Africa – study

Pfizer vaccine only slightly less effective against key S.African study mutations

Pfizer vaccine only slightly less effective against major mutations in South Africa – study

Over-the-counter nasal spray can be effective against COVID-19

Regeneron’s antibody cocktail is effective in preventing Covid-19, says company

‘New weapon’ to kill COVID? UCSF-led team finds medicine that could be much more effective than remitting

UCSF team finds cancer drug 30 times more effective in fighting COVID than remedying

AstraZeneca denies reporting less effective vaccine in the elderly

AstraZeneca denies reporting less effective vaccine in the elderly