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. 2013 Jan 22;5(1):406–422. doi: 10.3390/v5010406

Figure 2.

Figure 2

(A) Positive immunohistochemical staining for the apoptosis marker caspase-3 (brown) in bronchiolar epithelial cells in lung tissue from a child with fatal human pneumovirus respiratory syncytial virus (hRSV) disease. From Welliver et al. [24], by permission of Oxford University Press. (B) Positive immunohistochemical staining for caspase-3 (brown, arrows) in alveolar epithelial cells in lung tissue from a mouse (C57Bl/6 background) with severe pneumonia virus of mice (PVM) disease. From Bem et al. [25], Copyright 2010, The American Association of Immunologists, Inc.