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. 2022 Jun 9;399(10342):2191–2199. doi: 10.1016/S0140-6736(22)00791-7

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Published by Elsevier Ltd.

Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

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O/E ratios of myocarditis and pericarditis in the first 1–7 days of receipt of any dose of COVID-19 mRNA vaccine by age group and sex in three large health plan databases

O/E ratios of myocarditis, or pericarditis, or both, in men during the first 1–7 days of receipt of BNT162b2 (A) or mRNA-1273 (B). O/E ratios of myocarditis, or pericarditis, or both, in women during the first 1–7 days of receipt of BNT162b2 (C) or mRNA-1273 (D). Estimates and 95% CIs for O/E ratios are not displayed for age and sex groups with zero events. The numbers on the furthest right of each figure are the number of events for myocarditis, or pericarditis, or both, corresponding to each O/E ratio. DP=data partner. O/E=observed versus expected.