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A Case of Exacerbation of Subclinical Hyperthyroidism after First Administration of BNT162b2 mRNA COVID-19 Vaccine.

Kana YamamotoTakahisa MashibaKeisuke TakanoToshihiko SuzukiMasahiro KamiMorihito TakitaEiji KusumiYasuhiro MizunoTamae Hamaki
Published in: Vaccines (2021)
COVID-19 vaccines are the most critical measure for controlling the COVID-19 pandemic; however, we have little information on their complications. We experienced a case of a patient who developed hyperthyroidism complicated with atrial fibrillation and heart failure on the sixth day after the first dose of COVID-19 vaccination. This case report shows the importance of considering hyperthyroidism as a possible complication after COVID-19 vaccination.
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