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(A) Enlarged multinucleated cell indicative of measles pneumonia (Papanicolaou stain, 400×). (B) Lung parenchyma with respiratory syncytial virus (RSV) infection characterized by several syncytial multinucleated cells (H&E stain, 400×). (C) RSV‐induced multinucleated giant cell (Papanicolaou stain, 400×). [Color figure can be viewed at http://wileyonlinelibrary.com]
