Pfizer Shot May Help Fight COVID Variants in People Previously Infected
WEDNESDAY, Aug. 11, 2021 (HealthDay News) — A small, early study suggests that people who’ve already encountered SARS-CoV-2 may gain a big boost against COVID-19 if they get just one dose of the Pfizer vaccine — and that protection may extend to new viral variants. The study “supports the notionContinue Reading










