COVID-19 Vaccines Work. Here’s the Real-World Proof | Time

COVID-19 Vaccines Work. Here’s the Real-World Proof | Time: In a study published Feb. 24 in the New England Journal of Medicine, researchers in Israel and the U.S. report that the vaccine made by Pfizer-BioNTech was highly effective in protecting against infection with the COVID-19 virus, lowering people’s chances of getting sick with the disease—especially severe disease—and dropping COVID-19 hospitalization rates.