Pfizer's COVID Vaccine Is Even More Amazing Than You Think

The Pfizer-BioNTech drug -- now marketed as Comirnaty -- was the first to share phase 3 data. In mid-November 2020, they announced their drug was 95% effective in protecting against COVID-19.

Moderna followed two weeks later with its own impressive results. Since then, a few others have followed suit. To date, Johnson & Johnson's is the only additional jab to receive authorization in the U.S.