Recurrent infections in children.
D001424:Bacterial Infections / Q000276:immunology / Q000628:therapy; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007239:Infections / Q000276:immunology* / Q000628:therapy; D012008:Recurrence