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. 2021 Dec 14;28(2):410–422. doi: 10.1038/s41591-021-01630-0

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© The Author(s) 2021

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Fig. 2 — When IRR did not show a significant increase of incidence over the 1–28 days postvaccination or a SARS-CoV-2 positive test, absolute measures are not given.