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

2022665 citationsJournal Articlebronze Open Access

Authors

Nick Andrews · Norwegian Womens Public Health Association

Elise Tessier · Norwegian Womens Public Health Association

Julia Stowe · Norwegian Womens Public Health Association

Charlotte Gower · Norwegian Womens Public Health Association

Freja Kirsebom · Norwegian Womens Public Health Association

Ruth Simmons · Norwegian Womens Public Health Association

Eileen Gallagher · Norwegian Womens Public Health Association

Abstract

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.

Topics & Keywords

SARS-CoV-2 and COVID-19 Research Immune responses and vaccinations COVID-19 Clinical Research Studies

Publication Details

Published in: New England Journal of Medicine

Volume 386, Issue 4, pp. 340-350

DOI: 10.1056/nejmoa2115481

Field-Weighted Citation Impact: 65.42

Command Palette

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

Authors

Abstract

Topics & Keywords

Publication Details