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. 2022 Jun 6:ciac454. doi: 10.1093/cid/ciac454

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

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Figure 2. — Effectiveness of 2 doses of BNT162b2 or mRNA1273 vaccine relative to findings in unvaccinated employees, comparing a period dominated by Omicron (20 December 2021 to 5 April 2022) to one dominated by Delta (1 July to 12 December 2021). Estimates were adjusted for age, sex, race/ethnicity, presence of symptoms, work role (clinical or nonclinical), rolling average case rates per 100 000 people on the specimen collection date for the employee’s county of residence, and the specimen collection week.