Novavax vaccine 96% effective against the original coronavirus, 86% against the British variant in the British trial
Novavax vaccine 96% effective against the original coronavirus, 86% against the British variant in the British trial
Pfizer / BioNTech vaccine effective against the Brazilian variant; Experts weigh in on vaccinated CDC rules
New study warns Pfizer and Modern COVID-19 vaccines may be much less effective against the South African variant