HealthGlobal issuesMyocarditis: The unseen danger03:21This browser does not support the video element.HealthGlobal issues10/15/2021October 15, 2021Virus infections like the flu or COVID-19 can attack the heart muscle — especially if the illness lingers over a long period. Even exercising too soon after an infection can heighten the risk. It often affects people aged between 20 and 50.Copy linkAdvertisement