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Many studies have focused on the epidemiology and pathogenesis of oral candidiasis in HIV infection. Little is known on the incidence and predisposing factors of asymptomatic oral candida carriage in this setting, obviously an important issue in view of prophylaxis. To address this question, 261 consecutive HIV-infected individuals without clinical evidence of candidiasis were investigated. C. albicans was isolated from cultured oral cavity swabs of 63 subjects (24%). Colonization was significantly more frequent in IV drug users, CDC groups IV, and in subjects with lymphocytopenia, CD4+ cell depletion, or elevated beta-2 microglobulin. These data further suggest that oral candidiasis occurs in HIV infection as a result of C. albicans overgrowth and raise the question of primary antifungal prophylaxis in subjects with low CD4 counts and asymptomatic oral Candida carriage.

We report the first case of fungemia due to Candida catenulata, a contaminant of dairy products. C. catenulata was isolated from three blood cultures of a patient with gastric cancer. The patient failed to respond to fluconazole but recovered after treatment was switched to amphotericin B. In vitro,C. catenulata was susceptible to amphotericin B and itraconazole and was also susceptible to fluconazole in dose-dependent manner. The likely portal of entry was the digestive tract, as the patient often ate cheese and had multiple gastric ulcerations.

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