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Cohort study of Covid-19 vaccine effectiveness among healthcare workers in Finland, December 2020 - October 2021

2021-11-04

Abstract excerpt

Recently, Covid-19 vaccine effectiveness has decreased especially against mild disease due to emergence of the Delta variant and waning protection. In this register-based study among healthcare workers in Finland, the vaccine effectiveness of two-dose mRNA vaccine series against SARS-CoV-2 infection decreased from 82% (95% CI 79-85%) 14-90 days after vaccination to 53% (43-62%) after 6 months. Similar trend was ob...

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Literature Corpus work
0ac5e1c0-c0d6-59c9-b6fc-43155934a41c
DOI
10.1101/2021.11.03.21265791
Open publication

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