evidence: Pulmonary pathology and COVID-19: lessons from autopsy. The experience of European Pulmonary Pathologists [...] The two largest studies published by Swiss and German groups included 21 and 12 COVID-19 patients, respectively [39, 40]. In the first case series, the primary cause of death was respiratory failure with exudative DAD, massive capillary congestion often accompanied by microthrombi despite anticoagulation and, interestingly, in half of the cases also a superimposed bronchopneumonia [39]. This study provided the first largest overview of post-mortem findings in 21 COVID-19 cases, reporting that hypertensive, elderly, obese, male individuals with severe cardiovascular comorbidities as well as those with blood group A may have a lower threshold of tolerance for COVID-19 [39]. Almost in the same period, Wichmann et al. reported deep venous thrombosis in a high percentage of patients (58%). Venous thromboembolism was not suspected before death and pulmonary embolism was the direct cause of death in four of them, thus suggesting an important role of COVID-19-induced coagulopathy in patient mortality [40]. Pulmonary emboli occluding the main pulmonary arteries were found to be fatal also in two patients described by Grimes et al. who argued that the SARS-CoV-2 infection, like the influenza virus and SARS-CoV, could be associated with coagulation disorders that may lead to thrombosis and disseminated intravascular coagulation [41]. [...] Calabrese, F., Pezzuto, F., Fortarezza, F. et al. Pulmonary pathology and COVID-19: lessons from autopsy. The experience of European Pulmonary Pathologists.