![]() ![]() Myocarditis, mediated by cytokines caused by a direct effect of the virus on myocytes, has also been described. Influenza also affects the incidence of stroke in hypertensive patients. The impact on mortality is alleviated by vaccine immunization. ![]() In the case of influenza infection, the prevalence of myocardial infarction and associated mortality rates is higher among patients ≥65 years of age. It is known to be mediated by cytokines and has been shown to occur in pneumonia caused by influenza ( 1, 2). Arterial and venous thrombosis have been noted in necropsy studies, suggesting a direct and/or indirect action of the virus on the endothelium and the coagulation cascade.Įndothelial involvement in bacterial and viral infections is not a new finding. It affects mainly the lungs, but its effects on other organs can reflect the severity of sepsis in a patient. COVID-19 is a respiratory disease that causes severe pneumonia and sepsis. ![]()
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