Figure 6.

(A) In acute enteroviral myocarditis, myocyte necrosis in the presence of numerous CD3⁺ T cells and CD68⁺ macrophages (32‐year‐old male). (B) Some patients with COVID‐19 develop acute/subacute myocarditis (17‐year‐old female). (C) The majority of patients develop low levels of T‐cell infiltrates, but numerous macrophages (38‐year‐old male). Similar findings are observed in mRNA vaccinated patients. Rare cases present with acute/subacute myocarditis (D, 37‐year‐old male) in endomyocardial biopsy, but most patients reveal mild inflammation and suffer from pre‐existing diseases such as hypertensive heart disease (E, 56‐year‐old male). All images magnification ×200.