Fig. 1From: Impact of water quality on Chronic Kidney Disease of unknown etiology (CKDu) in Thunukkai Division in Mullaitivu District, Sri LankaThunukkai Divisional secretariat of the Mullaitivu District showing the distribution of drinking water sources (sampling points, A1-A15, B1-B20) of the patient households and control samples from C1-C3. {a CKD prevalence rates across the most affected districts in Sri Lanka [19], b Administrative map of the Mullaitivu District (Sri Lanka Surveys Department, Maps and Geoinformations, https://www.survey.gov.lk) c Sampling points in Thunukkai DS (Drawn with ArcGIS 10.1, https://www.arcgis.com/index.html)}Back to article page