Validation of myocarditis diagnoses in the Swedish patient register for analyses of potential adverse reactions to COVID-19 vaccines.

Ups J Med Sci · 2023 · PMC10202079 · PMID 37223633

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a slightly increasing trendno p-value reported

Before the COVID-19 pandemic, Swedish national register data have indicated a slightly increasing trend in the background incidence of myocarditis in subjects aged ≥16 years during the period 2000–2014 ( 7 ).

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