Duration of Protection against Mild and Severe Disease by Covid-19 Vaccines.

Nick AndrewsElise TessierJulia StoweCharlotte GowerFreja KirsebomRuth SimmonsEileen GallagherSimon ThelwallNatalie GrovesGavin DabreraRichard MyersColin N J CampbellGayatri AmirthalingamMatt EdmundsMaria ZambonKevin E BrownSusan HopkinsMeera ChandShamez N LadhaniMary RamsayJamie Lopez Bernal

Published in: The New England journal of medicine (2022)

We observed limited waning in vaccine effectiveness against Covid-19-related hospitalization and death at 20 weeks or more after vaccination with two doses of the ChAdOx1-S or BNT162b2 vaccine. Waning was greater in older adults and in those in a clinical risk group.

Keyphrases

coronavirus disease
sars cov
randomized controlled trial
physical activity
systematic review
respiratory syndrome coronavirus
early onset