World Health Organization (WHO), an intergovernmental organization within the United Nations system whose purpose is to aid in the attainment of the highest possible level of health by all people. Programs include education for current health issues, proper food supply and nutrition, safe water and sanitation, maternal and child health, immunization against major infectious diseases, and prevention and control of diseases. WHO is coordinating global strategies to control and prevent acquired immunodeficiency syndrome. Its functions include furnishing technical assistance, stimulating and advancing epidemiological investigation of diseases, recommending health regulations, promoting cooperation among scientific and professional health groups, and providing information and counsel relating to health matters. The headquarters for WHO is in Geneva, Switzerland.
