title: Atypical lymphocytosis in respiratory syncytial virus pneumonia.
mesh_terms: D006801:Humans; D007223:Infant; D008214:Lymphocytes / Q000473:pathology*; D011024:Pneumonia, Viral / Q000097:blood* / Q000175:diagnosis; D012136:Respiratory Syncytial Viruses; D010253:Respirovirus Infections / Q000097:blood* / Q000175:diagnosis