Pfizer Begins Testing a COVID Vaccine Targeted to Omicron
TUESDAY, Jan. 25, 2022 (HealthDay News) — Pfizer Inc. announced Tuesday that it has launched a trial that will compare its existing COVID-19 vaccine against a new version tailored to beat back the highly contagious Omicron variant. “While current research and real-world data show that boosters continue to provide aContinue Reading