Pfizer and Moderna vaccines may be even more effective than previously thought, new data suggests

BioNTech-Pfizer mRNA vaccine largely effective against UK variant, Sera from 40 patients show

Just 0.04% of Israelis caught COVID-19 after two shots of Pfizer vaccine

Moderna COVID-19 Vaccine Booster Targets Mutant Strain: A third shot might be able to increase protection against the South African strain of COVID-19