The World Health Organization (WHO) was established in 1948 and is a specialized agency of the United Nations responsible for international public health. It is headquartered in Geneva, Switzerland and works to coordinate international efforts to improve health globally. The WHO aims to provide leadership on global health matters and attain the highest level of health for all people. It is governed by the World Health Assembly and Executive Board and divided into 6 regions and 14 technical divisions at its secretariat. The WHO works to combat diseases, improve health quality and lifespan worldwide, and support countries' health systems and services.