Novavax vaccine shows 51% efficacy in COVID-19 infections caused by B.1.351 variant
However, the study did not provide data on efficacy of the Novavax COVID-19 vaccine in...
Moderna says COVID-19 booster shot increases protection against some variants
The extra shot, given to volunteers previously inoculated with Moderna’s two-dose vaccine regimen, increased antibodies...
Pfizer’s COVID-19 shot less effective against South African variant: study
Some previous studies have indicated that the Pfizer shot was less potent against the B.1.351...
