Effectiveness of BNT162b2 and mRNA-1273 covid-19 vaccines against symptomatic SARS-CoV-2 infection and severe covid-19 outcomes in Ontario, Canada: test negative design study

AbstractObjectiveTo estimate the effectiveness of mRNA covid-19 vaccines against symptomatic infection and severe outcomes (hospital admission or death).DesignTest negative design study.SettingOntario, Canada between 14 December 2020 and 19 April 2021.Participants324 033 community dwelling people ag...

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Bibliographic Details
Published in:	BMJ (Online) Vol. 374; p. n1943
Main Authors:	Chung, Hannah, He, Siyi, Nasreen, Sharifa, Sundaram, Maria E, Buchan, Sarah A, Wilson, Sarah E, Chen, Branson, Calzavara, Andrew, Fell, Deshayne B, Austin, Peter C, Wilson, Kumanan, Schwartz, Kevin L, Brown, Kevin A, Gubbay, Jonathan B, Basta, Nicole E, Mahmud, Salaheddin M, Righolt, Christiaan H, Svenson, Lawrence W, MacDonald, Shannon E, Janjua, Naveed Z, Tadrous, Mina, Kwong, Jeffrey C
Format:	Journal Article
Language:	English
Published:	England British Medical Journal Publishing Group 20.08.2021 BMJ Publishing Group LTD BMJ Publishing Group Ltd
Subjects:	2019-nCoV Vaccine mRNA-1273 Adolescent Adult Aged BNT162 Vaccine COVID-19 COVID-19 - diagnosis COVID-19 - mortality COVID-19 - prevention & control COVID-19 Nucleic Acid Testing - statistics & numerical data COVID-19 vaccines COVID-19 Vaccines - therapeutic use Female Humans Immunization Laboratories Male Middle Aged Mutation Ontario - epidemiology Patient Admission - statistics & numerical data Polymerase chain reaction Reverse transcription SARS-CoV-2 Severe acute respiratory syndrome coronavirus 2 Treatment Outcome Vaccine efficacy Vaccines Young Adult Ontario Ontario Canada Canada
ISSN:	1756-1833, 0959-8138, 1756-1833
Online Access:	Get full text
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