Fig. 5: Less commonly encountered histologic features.
From: COVID-19 pulmonary pathology: a multi-institutional autopsy cohort from Italy and New York City

a Young collagen with features of organizing pneumonia. b Squamous metaplasia in alveolar space. c Alveolar wall injury with neutrophils, and endothelial injury was seen in a subset of early disease duration cases (Hematoxylin and eosin stain, a, b, c ×100).