Table 1.

Histopathological characteristics of lungs infected by SARS-CoV-2.

Characteristics	SARS-CoV-2 Infection
Gross Pathology	(a)multiple areas of congestion (b)edematous lungs (c)>gross weights (d)pulmonary embolism
Microscopic examination	(a)diffuse alveolar damage (b)severe capillary congestion (c)interstitial mononuclear cell infiltrates (d)multinucleated syncytial cells with atypical enlarged pneumocytes (e)microthrombosisa
Pathogenesis	Combination of direct virus-induced cytopathic effects, immunologic injury, and microvascular damage induced by cytokines