• July 26, 2021

Tags : Pfizer

Health

Exclusive: Why the 2nd Dose of Pfizer Vaccine Is So

By Ernie Mundell and Robert Preidt HealthDay Reporters WEDNESDAY, July 21, 2021 (HealthDay News) — It takes two doses of the Pfizer-BioNTech COVID-19 vaccine to “wake up” cells that play a very important role in the body’s immune response, with the second dose increasing their numbers 100-fold, according to new research. The Stanford University study […]Read More