Studies: COVID vaccine protection waning against infection but not hospitalization.

Studies: COVID vaccine protection waning against infection but not hospitalization – CIDRAP

Study 1: Sustained Effectiveness of Pfizer-BioNTech and Moderna Vaccines Against COVID-19 Associated Hospitalizations Among Adults — United States, March–July 2021 – CDC Morbidity and Mortality Weekly Report

Study 2: Effectiveness of Pfizer-BioNTech and Moderna Vaccines in Preventing SARS-CoV-2 Infection Among Nursing Home Residents Before and During Widespread Circulation of the SARS-CoV-2 B.1.617.2 (Delta) Variant — National Healthcare Safety Network, March 1–August 1, 2021 – CDC Morbidity and Mortality Weekly Report

Study 3: New COVID-19 Cases and Hospitalizations Among Adults, by Vaccination Status — New York, May 3–July 25, 2021 – CDC Morbidity and Mortality Weekly Report

Commentary on Twitter (thread – click for more)

Very excited to share our most recent publication about #CovidVaccine effectiveness, just published today by the IVY network. Especially relevant in light of today’s news about #boosters (spoiler – I’m skeptical about the need for boosters for all). ?https://t.co/GbAxgzpo7R

— Nida Qadir, MD (@NidaQadirMD) August 18, 2021