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World Health Organization

The United Nations agency that leads international work on public health.

WURLD HELTH or-guh-nuh-ZAY-shun noun

What it means

A body of the United Nations, founded in 1948, with its headquarters in Geneva, Switzerland. It sets health standards and guidelines, tracks disease outbreaks around the world, leads vaccine programs, and publishes tools such as the Surgical Safety Checklist and the pain relief ladder. It defines health as complete physical, mental and social well-being, not just the absence of disease.

At a glance

AbbreviationsWHO
SpanishOrganización Mundial de la Salud (OMS)

Related terms

infectious disease

An illness caused by a germ such as a bacterium, virus, fungus or parasite.

Centers for Disease Control and Prevention

The United States government agency that studies disease and sets national guidance on preventing and controlling it.

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