The World Health Organization (WHO) is a specialized agency of the United Nations (UN) that is responsible for international public health.

The organization was established in 1948 with the goal of promoting the highest possible level of health for all people around the world.

One of the main functions of the WHO is to provide leadership on global health matters, shaping the health research agenda, setting norms and standards, and articulating evidence-based policy options.

such as HIV/AIDS, malaria, and tuberculosis), noncommunicable diseases (such as cancer, diabetes, and cardiovascular disease), and emerging diseases (such as Ebola and COVID-19