The immune compromised host.
D001424:Bacterial Infections / Q000188:drug therapy* / Q000276:immunology / Q000517:prevention & control; D002648:Child; D002675:Child, Preschool; D004358:Drug Therapy; D006801:Humans; D007154:Immune System Diseases / Q000188:drug therapy*; D007165:Immunosuppression Therapy / Q000009:adverse effects*; D009181:Mycoses / Q000188:drug therapy; D011528:Protozoan Infections / Q000188:drug therapy; D014777:Virus Diseases / Q000188:drug therapy* / Q000276:immunology