title: Hemophilus influenzae type B pneumonia with pneumatocele formation.
mesh_terms: D002675:Child, Preschool; D003560:Cysts / Q000209:etiology*; D005260:Female; D006192:Haemophilus Infections / Q000150:complications*; D006193:Haemophilus influenzae; D006801:Humans; D007223:Infant; D008171:Lung Diseases / Q000209:etiology*; D008297:Male; D011014:Pneumonia / Q000150:complications*