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OPPORTUNISTIC INFECTION
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
Any infection caused by a microorganism that does not normally cause disease in humans; occurs in persons with abnormally functioning immune systems (as AIDS patients or transplant patients receiving immunosuppressive drugs)
Classified under:
Nouns denoting stable states of affairs
Hypernyms ("opportunistic infection" is a kind of...):
infection (the pathological state resulting from the invasion of the body by pathogenic microorganisms)
Hyponyms (each of the following is a kind of "opportunistic infection"):
aspergillosis (an opportunistic infection by a fungus of the genus Aspergillus; characterized by inflammation and lesions of the ear and other organs)
Context examples:
Patients with AIDS are especially susceptible to opportunistic infections (usually pneumocystis carinii pneumonia, cytomegalovirus (CMV) infections, tuberculosis, candida infections, and cryptococcosis), and the development of malignant neoplasms (usually non-Hodgkin's lymphoma and Kaposi's sarcoma).
(Acquired immunodeficiency syndrome, NCI Thesaurus)
B. cereus is found in soil and associated with diarrheal and emetic forms of food-borne illness as well as opportunistic infections in both humans and domestic animals.
(Bacillus cereus, NCI Thesaurus)
C. upsaliensis is a pathogen associated with gastroenteritis, acute watery diarrhea, septicemia, abscesses, inflammatory bowel disease, periodontitis and bacteremia in normal hosts and in those with opportunistic infections in immunocompromised individuals or HIV infected patients.
(Campylobacter upsaliensis, NCI Thesaurus)
Inducing a potent analgesia, the use of diamoprhine is often escalated due to a tolerance effect, resulting in abuse that is associated with fatal overdose, abortion, venous sclerosis, and opportunistic infections, among other adverse effects.
(Diacetylmorphine Hydrochloride, NCI Thesaurus)
Administration of HSV-TK-transduced lymphocytes after T cell-depleted allogeneic stem cell transplantation allows an early controllable immune reconstitution, which takes advantage of the antitumor effect of donor lymphocytes and helps to mitigate the risk of post-transplant opportunistic infection.
(HSV-TK-Transduced Donor Lymphocytes, NCI Thesaurus)
Also called: Opportunistic Infections in AIDS, AIDS-related opportunistic infections, OIs
(HIV/AIDS and Infections, NIH)
These trials include the following opportunistic infections: pneumocystosis, toxoplasmosis, cryptosporidiosis, candidacies, cryptococcosis, mycobacteriosis, cytomegalovirus, papillomavirus, herpes simplex, JC virus, coccidioides, hairy leukoplakia, and HIV-related periodontal disease.
(AIDS, Clinical Trials on Patients with Opportunistic Infections, NCI Thesaurus)
