Query: What was the WSH program launched in 2005
Context: The Water, Sanitation and Hygiene (WSH) program of the Gates Foundation was launched in mid-2005 as a "Learning Initiative," and became a full-fledged program under the Global Development Division in early 2010. The Foundation has since 2005 undertaken a wide range of efforts in the WASH sector involving research, experimentation, reflection, advocacy, and field implementation.