"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)"@en-us . . . . . . . "0"^^ . "113372112"@en-us . . . . . . "opportunistic infection"@en-us . "114178482"^^ . "opportunistic infection"^^ . "110195063"@en-us . "14178482-n"^^ . "0.625"^^ .