The Department of Water and Sanitation has reassured South Africans that antiretroviral drug traces found in drinking water pose no health risk. This follows a study by North West University and the Water Research Commission, which detected ARV residues on wastewater plants some above recommended safety levels. The ministry maintains the amounts are extremely minimal, measured in nanograms, and cannot transmit HIV or affect the safety and quality of drinking water. Deputy minister of Water and Saniation, Sello Seitlholo spoke to Elvis Presslin