COVID-19 vaccine effectiveness against laboratory confirmed symptomatic SARS-CoV-2 infection, COVID-19 related hospitalizations and deaths, among individuals aged 65 years or more in Portugal: a cohort study based on data-linkage of national registries February-September 2021

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

doi:10.1101/2021.12.10.21267619

Public

COVID-19 vaccine effectiveness against laboratory confirmed symptomatic SARS-CoV-2 infection, COVID-19 related hospitalizations and deaths, among individuals aged 65 years or more in Portugal: a cohort study based on data-linkage of national registries February-September 2021

Published in medRxiv • Dec 14, 2021

Authors:

Ausenda Machado

Irina Kislaya

Ana Paula Rodrigues

Abstract

Abstract Background Using data from electronic health registries, this study intended to estimate the COVID-19 vaccine effectiveness in the population aged 65 years and more, against symptomatic infection, COVID-19 related hospitalizations and deaths, overall and by time since complete vaccination. ...

Subject

Medicine

Cohort

Vaccination

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