mRNA vaccine effectiveness against COVID-19-related hospitalisations and deaths in older adults: a cohort study based on data linkage of national health registries in Portugal, February to August 2021

Nunes, Baltazar; Paula Rodrigues, Ana; Kislaya, Irina; Cruz, Camila; Peralta‐Santos, André; Lima, João; Pinto Leite, Pedro; João Sequeira, Duarte; Matias Dias, Carlos; Machado, Ausenda

doi:10.2807/1560-7917.es.2021.26.38.2100833

Public

mRNA vaccine effectiveness against COVID-19-related hospitalisations and deaths in older adults: a cohort study based on data linkage of national health registries in Portugal, February to August 2021

Published in Eurosurveillance • Sep 23, 2021

Authors:

Baltazar Nunes

Ana Paula Rodrigues

Irina Kislaya

Abstract

Through deterministic data linkage of health registries, mRNA vaccine effectiveness (VE) against COVID-19-related hospitalisations and deaths was measured in 1,880,351 older adults. VE against hospitalisations was 94% (95% confidence interval (CI): 88-97) and 82% (95% CI: 72-89) for those 65-79 and ...

Subject

Medicine

Confidence interval

Coronavirus disease 2019 (COVID-19)

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