Pfizer’s Covid Vaccine Prevents 90% of Infections in Study
Pfizer’s Covid Vaccine Prevents 90% of Infections in Study Via Bloomberg: The Covid-19 vaccine being developed by Pfizer Inc. and BioNTech SE prevented more than 90% of infections in a study of tens of thousands of volunteers, the most encouraging scientific advance so far in the battle against the coronavirus. Eight months into the worst pandemic in a century, the preliminary results pave the way for the companies to seek […]