Handwashing in the Developing World CDC at Work | Hygiene ...- program hand wash ,However, although handwashing seems outwardly simple, the habit of washing hands consistently and at the key times can be difficult to form. Additionally, handwashing does require some basic infrastructure: a water source and a hand cleanser like soap, ideally placed somewhere convenient to access during the most important times to wash hands ...Water, Sanitation and Hygiene (WASH) | Project WET FoundationOur WASH education work started in 2007 as part of a project with the United States Agency for International Development (USAID) to reduce the spread of preventable waterborne diseases in Africa. The result was the Healthy Water, Healthy Habits, Healthy People series of WASH education materials, originally designed for countries in East Africa.