London — U.S. drugmaker Pfizer said Monday that human trials suggest its coronavirus vaccine is 90% effective at preventing COVID-19 infections in people not known to have had the virus already. The ...
Pfizer and BioNTech, makers of the Food and Drug Administration-approved COVID-19 vaccine Comirnaty, shared today that their vaccine is effective among children ages 5 to 11 and that they will seek ...
New research suggests that Pfizer’s COVID-19 vaccine can protect against a mutation found in two highly contagious variants of the coronavirus that erupted in Britain and South Africa. Those variants ...