Vivax Waterholes in Turkana, Kenya (IMAGE) Duke University Caption A traditional method of gathering clean water in Northwestern Kenya involves making pits on the sandy riverbank and letting the water filter upward into the hole. People then painstakingly scoop up this relatively clean water for use, but the pits left behind make excellent mosquito breeding habitat. Credit Wendy Prudhomme O’Meara - Duke Global Health Institute Usage Restrictions none License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.