Huaizhong Hu

World Health Organization provides voluntary medical services. It is the United Nations' agency for health. WHO is governed by countries that approve funding, programs and policies related to public health and health related social issues through the world health assembly. Some of the health and social issues which the organization addresses are communicable & non-communicable diseases, community & family health, hunger, health technology, mental health, pharmaceuticals and sustainable development. Founded on April 7, 1948, the organization is headquartered in Geneva, Switzerland.