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Background: Selenium deficiency is known to be a major public health problem, associated with increased risk of mortality with AIDS and AIDS-related complex, diarrhea included compared to those of healthy controls. In Ethiopia, there are no studies conducted on serum selenium status diarrheic patients with and without HIV infection. Therefore, the present study was aimed at determining the level of serum selenium in HIV infected and sex and aged matched HIV negative diarrheic patients.. Methods: This was a cross-sectional study of 206 (97 HIV seronegative and 109 HIV seropositive) diarrheic patients of both genders seen at University of Gondar Hospital, Gondar, Ethiopia. Serum selenium was measured by inductively coupled plasma-mass spectrometer. Results: The mean and standard deviation of serum selenium levels in HIV seropositives was 5.90 ± 2.78 μg/dl and in HIV seronegatives was 6.99 ± 4.26 μg/dl. Deficiency of selenium was seen in 95.9% and 71.56% of diarrheic patients with and without HIV co-infection, respectively. The over all selenium deficiency was observed in 83.0% of patients included in the study irrespective of their HIV serostatus while 85.3%of the patients infected with HIV and 80.4% of patients without HIV infection had serum selenium level below 7μg/dl. The low serum selenium level was not associated with presence or absence of intestinal parasites neither with sociodemographic variables such as age, residence, marital status, occupation, monthly income. The mean serum selenium level of all male cases was statistically significantly lower than that of the females (P

Background: HIV/AIDS remains a major health problem in Sub-Saharan Africa. Co-infection with intestinal parasites has been suggested to worsen the outcome of infection by polarizing the immune response towards Th2. This study investigated the IgE profile in patients with diarrhea and with or without HIV and/or intestinal parasites co-infection at the time of diagnosis. Methods and Materials: A cross-sectional study was conducted among diarrheic patients with and without HIV/AIDS attending at the outpatient Department of the University of Gondar teaching hospital, in Gondar, Ethiopia. Stool samples were examined using standard parasitological procedures. The presence of HIV antibodies was determined by an enzyme linked immunosorbent assay following the manufacturer’s instruction. Results: Among tested diarrheic patients, 109 (52.9%) of them were seropositive for HIV. Chronic and acute diarrheas were diagnosed in 114(55.3%) and 92(44.7%) of the patients, respectively. Intestinal parasites were detected in 30(27.5%) among HIV seropositive and 36(37.1%) of HIV seronegative diarrheic patients. Diarrhea and marked weight loss were found to be significantly associated with HIV infection (P 0.05) higher than in HIV negative diarrheic patients (618 IU/ml, IQR 304.50-739 IU/ml). Significantly higher association of median total IgE level was obtained in diarrheic male patients (624 IU/ml, IQR 325.50-857.25 IU/ml) than diarrheic female patients (490 IU/ml, IQR 39-835 IU/ml), P