Fig. 2
From: Unspecific post-mortem findings despite multiorgan viral spread in COVID-19 patients
Pulmonary histological findings. a Early-stage diffuse alveolar damage (DAD): hyaline membrane (H&E, × 50 magnification) with a zoom on a giant cell (× 100 magnification). b Fibrin thrombi in a pulmonary artery (H&E, × 50 magnification). c Late-stage DAD: fibroblastic proliferation (H&E, × 50 magnification). d Late-stage DAD: fibroblastic proliferation (Trichrome staining, × 50 magnification). e Acute pneumonia (H&E, × 50 magnification). f Anti-SARS-CoV immunohistochemistry (IHC)-positive cells (× 200 magnification)