Researched
World Health Organization
The WHO began work in 1948 as the UN health agency, coordinating disease surveillance, vaccination drives and international health rules.
Open in the interactive tree →Its early campaigns targeted malaria, tuberculosis and smallpox, and the International Health Regulations (1969, revised 2005) set common rules for reporting outbreaks. The 1978 Alma-Ata declaration made primary health care a global goal.
Prerequisites
- Epidemiology1854
- United Nations1945
Unlocks
- Smallpox eradicated1980
- COVID-19 pandemic2020
- Malaria Vaccines (RTS,S, R21)2021–2024WHO's recommendation and prequalification opened the way to rollout in African countries
- WHO Pandemic Agreement2025The agreement was adopted by the World Health Assembly, the WHO's governing body
- Pandemic preparednessopenWHO runs global outbreak alerts and the International Health Regulations