FDA requires drugmakers update, expand warning about COVID shots' heart risks

The Food and Drug Administration has expanded its warnings on two COVID-19 vaccines regarding a rare heart side effect, mostly impacting young males.

The side effect, Myocarditis, is a type of heart inflammation that is usually mild.

Prescribing information from the two drugmakers – Moderna and Pfizer – already advises doctors about the issue. 

covid vaccine by Hakan Nural is licensed under unsplash.com
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