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Term Definition

World Health Organization (WHO)is a United Nations agency that assists governments in strengthening health services, furnishing technical assistance and aid in emergencies, working on the prevention and control of epidemics and promoting cooperation among different countries to improve nutrition, housing, sanitation, recreation and other aspects of environmental hygiene. Any country that is a member of the United Nations may become a member of the WHO by accepting its constitution. The WHO currently has 191 member states.