Effect of Influenza Vaccination on Risk of Coronavirus Disease 2019: A Prospective Cohort Study of 46 000 Healthcare Workers

Jonas Henrik Kristensen, Rasmus Bo Hasselbalch, Mia Pries-Heje, Pernille Brok Nielsen, Andreas Dehlbæk Knudsen, Kamille Fogh, Jakob Boesgaard Norsk, Aleksander Eiken, Ove Andersen, Thea Kølsen Fischer, Claus Antonio Juul Jensen, Christian Torp-Pedersen, Jørgen Rungby, Sisse Bolm Ditlev, Ida Hageman, Rasmus Møgelvang, Mikkel Gybel-Brask, Ram Benny Dessau, Erik Sørensen, Lene HarritshøjFredrik Folke, Maria Elizabeth Engel Møller, Thomas Benfield, Henrik Ullum, Charlotte Sværke Jørgensen, Sisse Rye Ostrowski, Susanne Dam Nielsen, Henning Bundgaard, Kasper Iversen

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

Abstrakt

The purpose of this study was to assess if influenza vaccination has an impact on the risk of COVID-19. A cohort of 46,112 health care workers were tested for antibodies against SARS-CoV-2 and filled in a survey on COVID-19 symptoms, hospitalization, and influenza vaccination. The RR of hospitalization due to SARS-CoV-2 for influenza vaccinated compared with unvaccinated participants was 1.00 for the seasonal vaccination in 2019/2020 (CI 0.56-1.78, p=1.00). Likewise, no clinical effect of influenza vaccination on development of antibodies against SARS-CoV-2 was found. The present findings indicate that influenza vaccination does not affect the risk of SARS-CoV-2 infection or COVID-19.

OriginalsprogEngelsk
TidsskriftThe Journal of Infectious Diseases
Vol/bind226
Udgave nummer1
Sider (fra-til)6-10
ISSN0022-1899
DOI
StatusUdgivet - 12. aug. 2022

Bibliografisk note

© The Author(s) 2022. Published by Oxford University Press for the Infectious Diseases Society of America. All rights reserved. For permissions, e-mail: journals.permissions@oup.com.

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