Myocarditis/Pericarditis Case Definition

*Emergency Pandemic Response – Case definitions are being released at a rapid pace for review and feedback. Please register to receive notification of expected frequent updates – click here. 

In the recent weeks, there have been reports of myocarditis occurring after COVID-19 vaccinations with Moderna or Pfizer vaccines (mRNA vaccines). To further our understanding of a possible association of cases observed with myocarditis and/or pericarditis following receipt of COVID-19 vaccines, Cardiovascular Injury CEPI-Brighton Working Group has created the following case definition. Members of this Brighton Collaboration Working Group are listed here.

Click here to download the most recent version (Myocarditis_Version_1.5.0_16.July.2021) of the myocarditis case definition. [Updated from Myocarditis_Version_1.4.2_30.May.2021]

Click here to download the pictorial algorithm for myocarditis.

Click here to download the most recent version (Pericarditis_Version_1.0.0_15.July.2021) of the pericarditis case definition.

Click here to download the pictorial algorithm for pericarditis.

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