John Snow, epidemiologist, identifies contaminated water as source of cholera
Health
1854
Rockefeller Foundation funds All-India School of Hygiene and Public Health
Health
1932
London smog reaches critical level
Disaster
1952
Smallpox eradicated through vaccination
Health
1977
Gates Foundation launches as the largest foundation in the world
Health
2000
Millennium Development Goals adopted by member states of United Nations
Government
2000
Beginning of SARS epidemic in China
Health
2003
Ebola epidemic kills thousands in West Africa and threatens global health
Health
2014
World Health Organization announces outbreak of Zika virus
Health
2016
CDC announces $11 million spent to prevent antibiotic-resistant germs
Health
2019
Development of Ebola vaccine stops threat of Ebola spreading
Science
2019
Pharmaceutical companies develop COVID-19 vaccine to stop pandemic
Science
2020
Pfizer announces antiviral drug is 88% effective reducing hospitalization/death
Science
2021