Encyclopedia/1. The Cosmos & The Natural World/6. Medicine & Human Biology • Curated by Admin Timeline.sg
A comprehensive timeline of epidemiology and global public health, tracing key milestones from ancient disease theories to modern pandemics, highlighting global contributions and breakthroughs.
Chronological Storyline (40 Milestones)
430 BCE
Thucydides Describes the Plague of Athens
Thucydides provides the first written description of an epidemic, noting immunity in survivors, influencing later epidemiologic thought. #epidemiology #history
Thucydides Describes the Plague of Athens By Michiel Sweerts - Image: http://collections.lacma.org/sites/default/files/remote_images/piction/ma-31770455-O3.jpg Gallery: http://collections.lacma.org/node/183358 archive copy at the Wayback Machine, Public domain, https://commons.wikimedia.org/w/index.php?curid=27201183
400 BCE
Hippocrates Writes On Airs, Waters, Places
Hippocrates argues that disease is caused by environmental factors, laying foundations for observational epidemiology. #epidemiology #ancientmedicine
910 CE
Al-Razi Distinguishes Measles from Smallpox
Persian physician Al-Razi (Rhazes) writes a treatise differentiating measles and smallpox, a seminal clinical and epidemiologic observation. #publichealth #islamicmedicine
Al-Razi Distinguishes Measles from Smallpox By Hossein Behzad - http://sadmu.ir/detail/5999, Public domain, https://commons.wikimedia.org/w/index.php?curid=161546923
1025 CE
Ibn Sina Publishes The Canon of Medicine
Avicenna's Canon introduces concepts of contagion, quarantine, and disease transmission, influencing medieval European medicine. #epidemiology #history
Ibn Sina Publishes The Canon of Medicine By Coffeetalkh - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=11906621
1348 CE
Black Death Sweeps Europe and Asia
The bubonic plague pandemic kills tens of millions, leading to early public health measures like quarantine in port cities. #publichealth #pandemic
Black Death Sweeps Europe and Asia By Flappiefh - Own work from: Natural Earth ; Cesana, D.; Benedictow O.J., Bianucci R. (2017). "The origin and early spread of the Black Death in Italy: first evidence of plague victims from 14th-century Liguria (northern Italy)". Anthropological Science 125 (1): 15–24. DOI:10.1537/ase.161011. ISSN 0918-7960. (page 17), CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=66468361
1377 CE
Venice Imposes First Quarantine
The Republic of Venice quarantines ships for 40 days (trentino) to prevent plague spread, formalizing a key public health tool. #epidemiology #publichealth
Venice Imposes First Quarantine By Dr Graham Beards - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=100083894
1546 CE
Fracastoro Proposes Germ Theory of Disease
Girolamo Fracastoro theorizes that diseases are caused by tiny living particles (seminaria) transmissible by direct or indirect contact. #epidemiology #history
Fracastoro Proposes Germ Theory of Disease By Attributed to Titian - This file was derived from: Titian Girolamo Fracastoro.jpg:, Public domain, https://commons.wikimedia.org/w/index.php?curid=79211693
1662 CE
John Graunt Publishes Natural and Political Observations
Graunt analyzes London's Bills of Mortality, pioneering vital statistics and demography, founding modern epidemiology. #epidemiology #statistics
1700 CE
Variolation Introduced to England from Ottoman Empire
Lady Mary Wortley Montagu promotes smallpox inoculation from Turkey, where folk practice had long existed; a precursor to vaccination. #publichealth #history
Variolation Introduced to England from Ottoman Empire By Thomas Hickey, 1805 - [1][2], Public domain, https://commons.wikimedia.org/w/index.php?curid=124606920
May 14, 1796 CE
Edward Jenner Tests Smallpox Vaccine
Jenner inoculates James Phipps with cowpox, proving protection against smallpox, leading to the first vaccine and global immunization. #vaccines #publichealth
Edward Jenner Tests Smallpox Vaccine By John Raphael Smith - [1] [2], originally uploaded to en by User:Magnus Manske, Public domain, https://commons.wikimedia.org/w/index.php?curid=31245
1800 CE
Vaccination Spreads Rapidly Globally
Smallpox vaccination campaigns reach Europe, Americas, and Asia, often using arm-to-arm transmission, saving millions. #publichealth #history
Vaccination Spreads Rapidly Globally By Photo Credit: James Gathany Content Providers(s): CDC - This media comes from the Centers for Disease Control and Prevention's Public Health Image Library (PHIL), with identification number #2674. Note: Not all PHIL images are public domain; be sure to check copyright status and credit authors and content providers. العربية | Deutsch | English | македонски | slovenščina | +/−, Public domain, https://commons.wikimedia.org/w/index.php?curid=367791
1847 CE
Semmelweis Introduces Handwashing in Maternity Clinics
Ignaz Semmelweis reduces puerperal fever mortality by insisting clinicians wash hands with chlorinated lime, a landmark in infection control. #epidemiology #publichealth
Semmelweis Introduces Handwashing in Maternity Clinics By József Borsos / Albert Doctor - Ágnes Szemerédi: A fényképészet úttörői, OSZK blog, 2022 [1], Public domain, https://commons.wikimedia.org/w/index.php?curid=123555011
Aug 1, 1854 CE
John Snow Maps Cholera Outbreak in London
Snow removes the Broad Street pump handle, demonstrating waterborne transmission of cholera and establishing the foundation of spatial epidemiology. #epidemiology #publichealth
John Snow Maps Cholera Outbreak in London By Unknown author - [1] Originally from en.wikipedia; description page is/was here., Public domain, https://commons.wikimedia.org/w/index.php?curid=403227
1865 CE
Pasteur Develops Germ Theory and Pasteurization
Louis Pasteur proves microorganisms cause disease and spoilage, developing pasteurization and vaccines for rabies and anthrax. #microbiology #publichealth
Pasteur Develops Germ Theory and Pasteurization By Paul Nadar - File:Louis Pasteur, foto av Paul Nadar.jpg, Public domain, https://commons.wikimedia.org/w/index.php?curid=28039885
Mar 24, 1882 CE
Robert Koch Identifies Tuberculosis Bacillus
Koch announces discovery of Mycobacterium tuberculosis, establishing Koch's postulates and revolutionizing bacteriology. #epidemiology #history
Robert Koch Identifies Tuberculosis Bacillus By Unknown author - https://ihm.nlm.nih.gov/images/B16691, Public domain, https://commons.wikimedia.org/w/index.php?curid=1825905
1897 CE
Ronald Ross Demonstrates Malaria Transmission by Mosquitoes
Ross proves that Anopheles mosquitoes transmit malaria, leading to vector control strategies and the study of vector-borne diseases. #publichealth #tropicalmedicine
Ronald Ross Demonstrates Malaria Transmission by Mosquitoes By Unknown author - http://resource.nlm.nih.gov/101427700, Public domain, https://commons.wikimedia.org/w/index.php?curid=108775
1907 CE
Typhoid Mary Identified as Asymptomatic Carrier
Mary Mallon, a cook, is identified as a healthy carrier of Salmonella typhi, highlighting the role of asymptomatic individuals in disease spread. #epidemiology #publichealth
Typhoid Mary Identified as Asymptomatic Carrier By Unknown author - The Finger Lakes Times, 9 July 1909, page 8, Public domain, https://commons.wikimedia.org/w/index.php?curid=181058448
Mar 1, 1918 CE
Spanish Flu Pandemic Begins
An H1N1 influenza virus emerges, infecting one-third of the world's population and killing an estimated 50 million, spurring global influenza surveillance. #pandemic #publichealth
Spanish Flu Pandemic Begins By Otis Historical Archives, National Museum of Health and Medicine - Emergency hospital during influenza epidemic (NCP 1603), National Museum of Health and Medicine. https://www.buckscountycouriertimes.com/news/20190923/mxfctter-museum-to-mark-historic-influenza-pandemic/1, Public domain, https://commons.wikimedia.org/w/index.php?curid=25513204
Sep 28, 1928 CE
Fleming Discovers Penicillin
Alexander Fleming observes that Penicillium mold kills bacteria, leading to the first antibiotic and transforming treatment of bacterial infections. #antibiotics #publichealth
Fleming Discovers Penicillin By Official photographer - http://media.iwm.org.uk/iwm/mediaLib//32/media-32192/large.jpg This photograph TR 1468 comes from the collections of the Imperial War Museums., Public domain, https://commons.wikimedia.org/w/index.php?curid=24436974
Apr 7, 1948 CE
World Health Organization Founded
The WHO is established as the leading global health authority, coordinating responses to epidemics and setting international health standards. #globalhealth #WHO
World Health Organization Founded By Guilhem Vellut from Annecy, France - World Health Organization @ Pregny-Chambésy, CC BY 2.0, https://commons.wikimedia.org/w/index.php?curid=105949300
1952 CE
Salk Polio Vaccine Tested in Field Trials
Jonas Salk's inactivated polio vaccine is tested on millions of children, proving effective; mass vaccination campaigns soon follow. #vaccines #publichealth
Salk Polio Vaccine Tested in Field Trials By USAID - USAID Bangladesh, Public domain, https://commons.wikimedia.org/w/index.php?curid=1021
1961 CE
Sabin Oral Polio Vaccine Licensed
Albert Sabin's attenuated live oral vaccine is licensed, enabling easier administration and contributing to near-eradication of polio. #vaccines #publichealth
1964 CE
Surgeon General's Report on Smoking and Health
The US Surgeon General Luther Terry links smoking to lung cancer, initiating modern tobacco control and chronic disease epidemiology. #epidemiology #publichealth
Surgeon General's Report on Smoking and Health By CDC - This file was derived from: Tobacco Use-CDC Vital Signs-September 2010.pdf, Public domain, https://commons.wikimedia.org/w/index.php?curid=20852937
1974 CE
Expanded Programme on Immunization Launched
WHO initiates EPI to vaccinate children worldwide against six major diseases, dramatically reducing childhood mortality. #vaccines #globalhealth
Sep 12, 1978 CE
Declaration of Alma-Ata on Primary Health Care
International conference declares 'Health for All' by the year 2000, emphasizing equity and community participation in public health. #publichealth #globalhealth
May 8, 1980 CE
Smallpox Officially Eradicated
The World Health Assembly certifies smallpox eradication, the first disease to be wiped out by human effort, a triumph of global vaccination. #publichealth #vaccines
Smallpox Officially Eradicated By Photo Credit: Content Providers(s): CDC/James Hicks - This media comes from the Centers for Disease Control and Prevention's Public Health Image Library (PHIL), with identification number #3265. Note: Not all PHIL images are public domain; be sure to check copyright status and credit authors and content providers. العربية | Deutsch | English | македонски | slovenščina | +/−, Public domain, https://commons.wikimedia.org/w/index.php?curid=4394235
Jun 5, 1981 CE
First Report of AIDS in CDC Morbidity and Mortality Weekly Report
CDC reports unusual cluster of Pneumocystis pneumonia in gay men, marking the beginning of the HIV/AIDS pandemic. #HIV #publichealth
First Report of AIDS in CDC Morbidity and Mortality Weekly Report By Gary van der Merwe - Own work based on: graphics by Niki K Aids Awareness Red Ribbon Lapel pins http://www.aochiworld.com/, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=1460095
1982 CE
Helicobacter pylori Discovered as Cause of Peptic Ulcers
Barry Marshall and Robin Warren identify H. pylori as the cause of gastritis and ulcers, revolutionizing understanding of infectious disease epidemiology. #epidemiology #medicine
Helicobacter pylori Discovered as Cause of Peptic Ulcers By Yutaka Tsutsumi, M.D. Professor Department of Pathology Fujita Health University School of Medicine - Yutaka Tsutsumi, M.D. Professor Department of Pathology Fujita Health University School of Medicine http://info.fujita-hu.ac.jp/~tsutsumi/photo/photo002-6.htm http://info.fujita-hu.ac.jp/~tsutsumi/image/002/2-6.jpg, Copyrighted free use, https://commons.wikimedia.org/w/index.php?curid=535442
1988 CE
Global Polio Eradication Initiative Launched
WHO, UNICEF, and partners commit to eradicating polio, reducing cases by 99.9% by 2023. #publichealth #polio
Global Polio Eradication Initiative Launched By Centers for Disease Control and Prevention - CDC National Immunization Program (direct link, archive link), Public domain, https://commons.wikimedia.org/w/index.php?curid=110361
1993 CE
Tobacco Control: World Bank Report on Economics
The World Bank report 'Curbing the Epidemic' highlights cost-effectiveness of tobacco control, influencing global policy. #publichealth #tobacco
Tobacco Control: World Bank Report on Economics By Gunawan Kartapranata - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=10527606
1996 CE
HAART Introduced for HIV Treatment
Highly active antiretroviral therapy transforms HIV from a death sentence to a manageable chronic disease, requiring global access efforts. #HIV #publichealth
HAART Introduced for HIV Treatment By Our World In Data - https://ourworldindata.org/grapher/gap-to-reaching-the-target-of-art, CC BY 4.0, https://commons.wikimedia.org/w/index.php?curid=182972595
Sep 1, 2000 CE
Millennium Development Goals Established
UN sets MDGs including reducing child mortality and combating HIV/AIDS, malaria, and other diseases, shaping global health priorities. #globalhealth #publichealth
Millennium Development Goals Established By See File history below for details. Denelson83, Zscout370 ve Madden - Flag of the United Nations from the Open Clip Art website. Modifications by Denelson83, Zscout370 and Madden. Official construction sheet here.(1946-present United Nations) The United Nations flag code and regulations, as amended November 11, 1952, New York. Archived from the original on 13 September 2001. Retrieved on 2 December 2023. OCLC: 7548838., Public domain, https://commons.wikimedia.org/w/index.php?curid=437460
Feb 1, 2003 CE
Severe Acute Respiratory Syndrome (SARS) Outbreak
SARS emerges in China, spreads globally, contained by rigorous contact tracing and quarantine, highlighting pandemic preparedness. #epidemiology #pandemic
Severe Acute Respiratory Syndrome (SARS) Outbreak By Photo Credit: Content Providers(s): CDC/C.S. Goldsmith - https://www.cdc.gov/sars/lab/images.html, Public domain, https://commons.wikimedia.org/w/index.php?curid=86419462
2005 CE
International Health Regulations (2005) Revised
WHO member states adopt revised IHR requiring countries to report public health emergencies of international concern, strengthening global health security. #globalhealth #policy
Apr 1, 2009 CE
H1N1 Influenza Pandemic Declared
A novel swine-origin H1N1 virus causes the first pandemic of the 21st century, testing global surveillance and vaccine response. #pandemic #publichealth
H1N1 Influenza Pandemic Declared By HotWikiBR - Own work (derivated)., Public domain, https://commons.wikimedia.org/w/index.php?curid=6747576
Mar 1, 2014 CE
Ebola Outbreak in West Africa
The largest Ebola epidemic kills over 11,000, exposing weaknesses in health systems and spurring development of vaccines and therapies. #publichealth #epidemiology
Ebola Outbreak in West Africa By Photo Credit: Content Providers(s): CDC/Dr. Lyle Conrad - This media comes from the Centers for Disease Control and Prevention's Public Health Image Library (PHIL), with identification number #7042. Note: Not all PHIL images are public domain; be sure to check copyright status and credit authors and content providers. العربية | Deutsch | English | македонски | slovenščina | +/−, Public domain, https://commons.wikimedia.org/w/index.php?curid=212727
Sep 25, 2015 CE
Sustainable Development Goals Adopted
UN Agenda 2030 includes SDG 3 (Good Health and Well-being), with targets for universal health coverage and disease control. #globalhealth #SDGs
Sustainable Development Goals Adopted By United Nations - https://www.un.org/sustainabledevelopment/wp-content/uploads/2019/01/SDG_Guidelines_AUG_2019_Final.pdf, Public domain, https://commons.wikimedia.org/w/index.php?curid=92306457
Dec 1, 2019 CE
COVID-19 Pandemic Begins
SARS-CoV-2 emerges in Wuhan, China, causing a global pandemic with profound health, social, and economic impacts, accelerating mRNA vaccine development. #pandemic #publichealth
COVID-19 Pandemic Begins By Gustavo Basso - https://www.flickr.com/photos/gustavocb/49913440386, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=112916636
Dec 11, 2020 CE
First mRNA Vaccine Approved (Pfizer-BioNTech)
The FDA authorizes the first mRNA vaccine for COVID-19, a historic breakthrough in vaccine technology and pandemic response. #vaccines #publichealth
First mRNA Vaccine Approved (Pfizer-BioNTech) By Lasse Folkersen og Ann-Louise Bergström - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=110274951
2021 CE
WHO Approves First Malaria Vaccine (RTS,S)
WHO recommends widespread use of the RTS,S/AS01 malaria vaccine among children in sub-Saharan Africa, a major milestone in decades of research. #vaccines #globalhealth
WHO Approves First Malaria Vaccine (RTS,S) By GHTC - YouTube: https://www.youtube.com/watch?v=7u5NAG3yt2M – View/save archived versions on archive.org, CC BY 3.0, https://commons.wikimedia.org/w/index.php?curid=110788167