Pfizer Vaccine Offers 88% Protection Against Delta Variant, But 2 Doses Needed
THURSDAY, July 22, 2021 (HealthDay News) — Pfizer’s coronavirus vaccine provides surprisingly robust protection against the highly infectious Delta variant of COVID-19 — but only if you’ve gotten both doses. Fresh data out of England shows that two doses of the messenger RNA (mRNA) vaccine is 88% effective in protectingContinue Reading