In May 2020, various autopsies studies revealed<unk><unk>  to be the common cause of death in COVID-19 infected patients. The patients studied were in their mid-70s and had preexisting medical conditions such as cardiac diseases, hypertension, diabetes, and obesity. These studies highlight the role of hypercoagulability as a main contributor of the fatality in these patients. To support his theory, various studies have described Virchow's triad to be the main component of the hypercoagulable state in these patients.
COVID-19-associated pulmonary embolism
COVID-19-associated heart failure
COVID-19-associated respiratory failure
COVID-19-associated cytokine storm
COVID-19-associated myocardial infarction
COVID-19-associated hemodialysis
COVID-19-associated arrhythmia and conduction system disease
COVID-19-associated Guillain-Barre syndrome