Background and objectives: Essential trace elements obtained from our diet are crucial for the initiation and development of host defence by the immune system. Trace elements such as selenium (Se), zinc (Zn) and copper (Cu) are important for immune competence, particularly in vulnerable population. Poor nutrition status including deficiencies of these vital elements is associated with immune abnormalities and increased susceptibility to infectious diseases. Methods: A comparative study involving a cohort of three hundred and twenty-five (325) participants comprising: 166 persons living with HIV (PLWH) (consisting of 100 on HAART and 66 HAART-treatment naive) and one hundred and fifty-nine (159) non-HIV controls were recruited. Waist to hip ratio and dietary habits were assessed to determine respondents’ nutritional status. Serum Zn, Se and Cu concentrations were estimated by neutron activation method. Results: Mean body mass index (BMI) of respondents was 24.7±4.8 kg/m2. Dietary recommended intakes (DRIs) of macronutrient [energy (69%), carbohydrates (86%) and fats (76%)] and micronutrient [(vitamin B2 (63%), vitamin D (15%), folate (47%) and calcium (63%)] were not adequately met by all groups. PLWH on HAART had a significantly higher total body fat (p=0.004) and visceral fat (p
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