The official website of the WHO World Health Organization is WHO is the guiding and coordinating body for health issues within the United Nations system, providing leadership on global health matters, developing the health research agenda, setting norms and standards, providing technical support to countries, and monitoring and evaluating health trends.

World Health Organization The World Health Organization (WHO) is a specialized agency under the United Nations, only sovereign states can participate, is the largest international intergovernmental health organization, the existing 193 member states. 1946 International Health Assembly passed the "World Health Organization Organization Act", April 7, 1948, the World Health Organization announced the establishment. So every year, April 7 has become a global "World Health Day".

WHO's funding sources: one is the membership fees paid by member countries, constituting the "regular budget. The second is earmarked funds and other income from the Pan American Health Organization, the Voluntary Fund for the Advancement of Organizations, UNICEF, the Drug Abuse Control Fund, the Environmental Planning Agency, emergency activities, the Refugee Emergency Commissioner's Office, the Disaster Relief Agency, the World Bank, and others.