The World Health Organization (WHO) is a specialized agency of the United Nations responsible for international public health. Founded on April 7, 1948, its headquarters are in Geneva, Switzerland. The WHO’s mission is to promote health, keep the world safe, and serve the vulnerable by addressing health emergencies, combating diseases, and advocating for better health outcomes globally. Key programs include eradicating polio, battling HIV/AIDS, and controlling COVID-19. The current Director-General is Dr. Tedros Adhanom Ghebreyesus, who has been in office since 2017.