[Review on opportunistic infection].
D000818:Animals; D000898:Antibiosis; D000917:Antibody Formation; D001419:Bacteria / Q000201:enzymology / Q000472:pathogenicity*; D001424:Bacterial Infections / Q000209:etiology* / Q000517:prevention & control / Q000628:therapy; D018407:Bacterial Physiological Phenomena; D001770:Blood Bactericidal Activity; D003428:Cross Infection / Q000209:etiology; D004463:Ecology; D006801:Humans; D007111:Immunity, Cellular; D051379:Mice; D009092:Mucous Membrane / Q000276:immunology / Q000382:microbiology; D010447:Peptide Hydrolases / Q000378:metabolism; D010587:Phagocytosis
D010447:Peptide Hydrolases