Znamena to napriklad toto, ty jelito. Zdroj US NCBI. Ak nevies anglicky, google ti pomoze."On the other hand, while many people are affected by seasonal influenza every year, complications in nonrespiratory tissues (e.g., encephalopathy, myocarditis, and myopathy) occur only occasionally [1–7]. The frequency of myocardial involvement in influenza infection varies (0–10%) depending on the diagnostic criteria, and fulminant myocarditis associated with seasonal influenza infection is rare, as shown in previous papers [1–4, 9, 12, 13, 15–23]. "