title: Community-acquired pneumonia.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D004739:England; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D011014:Pneumonia / Q000453:epidemiology / Q000382:microbiology / Q000628:therapy; D012621:Seasons