The indirect effect of mRNA-based COVID-19 vaccination on healthcare workers’ unvaccinated household members

Jussipekka Salo; Milla Hägg; Mika Kortelainen; Tuija Leino; Tanja Saxell; Markku Siikanen; Lauri Sääksvuori

doi:10.1038/s41467-022-28825-4

Nature Communications (Mar 2022)

The indirect effect of mRNA-based COVID-19 vaccination on healthcare workers’ unvaccinated household members

Jussipekka Salo,
Milla Hägg,
Mika Kortelainen,
Tuija Leino,
Tanja Saxell,
Markku Siikanen,
Lauri Sääksvuori

Affiliations

Jussipekka Salo: Department of Economics, University of Helsinki
Milla Hägg: Department of Economics, University of Helsinki
Mika Kortelainen: VATT Institute for Economic Research
Tuija Leino: Infectious Disease Control and Vaccinations Unit, Finnish Institute for Health and Welfare
Tanja Saxell: VATT Institute for Economic Research
Markku Siikanen: VATT Institute for Economic Research
Lauri Sääksvuori: Health Science Unit, Tampere University

DOI: https://doi.org/10.1038/s41467-022-28825-4
Journal volume & issue: Vol. 13, no. 1
pp. 1 – 7

Abstract

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COVID-19 vaccines are effective in preventing disease, but the extent of protection against transmission is unclear. Here, the authors use data from a cohort of healthcare workers in Finland and show that vaccination is associated with reduced infection in their unvaccinated adult household contacts.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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