World Health Organization (WHO)

About the World Health Organization (WHO)

The World Health Organization (WHO) is a United Nations agency that leads global efforts to protect public health and improve the well-being of people worldwide. The organization works closely with governments, health institutions, and partners to prevent disease, respond to health emergencies, and strengthen healthcare systems.

WHO plays a central role in controlling infectious diseases, improving access to vaccines and essential medicines, and promoting universal health coverage. It also sets international health standards, provides technical guidance, and supports countries in building strong and resilient health systems.

With operations in more than 150 countries, WHO supports national health programs, responds to outbreaks and humanitarian crises, and works to ensure that everyone, everywhere, can achieve the highest possible level of health. Its work focuses on saving lives, protecting vulnerable communities, and promoting healthier futures for all.

Founded: 7 April 1948
Headquarters: Geneva, Switzerland
Organization Size: Approximately 5,001–10,000 employees
Organization Type: United Nations specialized agency
Official Website: www.who.int