Source:http://linkedlifedata.com/resource/umls/id/C0029118
MSH: An infection caused by an organism which becomes pathogenic under certain conditions, e.g., during immunosuppression.,CSP: infection caused by an organism which becomes pathogenic under certain conditions, eg, during immunosuppression.,NCI: An infection caused by an organism that does not normally cause disease. Opportunistic infections occur in people with weakened immune systems.,NCI: Infection caused by an organism that is capable of causing disease in immunocompromised patients only (e.g. HIV-positive or transplanted patients).--2004