History of cholera
Also known as: cholera outbreaks and pandemics · cholera pandemic · cholera epidemic
- 1The first cholera pandemic originated in India in 1817.
- 2There have been seven major cholera pandemics recorded over the past 200 years.
- 3The seventh cholera pandemic has been ongoing since 1961.
- 4Cholera is primarily transmitted through the ingestion of contaminated water or food.
- 5Major local outbreaks, such as the 1991–1994 South American epidemic, illustrate the disease's continued impact.
Seven cholera pandemics have occurred in the past 200 years, with the first pandemic originating in India in 1817. The seventh cholera pandemic is officially a current pandemic and has been ongoing since 1961, according to a World Health Organization factsheet in March 2022. Additionally, there have been many documented major local cholera outbreaks, such as a 1991–1994 outbreak in South America.
Connections1
Subject of his groundbreaking medical research
Snow's investigation into the transmission of this disease provided the empirical evidence needed to challenge prevailing medical theories.
Cholera is an acute diarrheal infection caused by the ingestion of food or water contaminated with the bacterium Vibrio cholerae. Throughout the last two centuries, the world has experienced seven distinct cholera pandemics, which have caused widespread mortality and prompted significant advancements in public health policy and sanitation infrastructure.
Hand bill from the New York City Board of Health, 1832. The outdated public health advice demonstrates the lack of understanding of the disease and its actual causative factors.Wikimedia Commons: File:Cholera_395.1.jpgFirst cholera pandemicWikimedia Commons: File:First_cholera_pandemic.PNGDisposal of dead bodies during the cholera epidemic in Palermo in 1835Wikimedia Commons: File:Il_cholera_di_Palermo_del_1835.jpgRegister of Patients Gosport Naval Hospital August 1832 cholera casesWikimedia CommonsA pump memorializing John Snow for his study of contaminated water as a likely source of cholera during the 1854 Broad Street Cholera outbreakWikimedia CommonsPatients suffering from cholera in 1854Wikimedia Commons1892 cholera outbreak in Hamburg, hospital wardWikimedia CommonsBodies of Rwandan refugees who died during the cholera epidemic, October 1994Wikimedia Commons The first recorded pandemic began in 1817 in India and subsequently spread across Asia and Europe. The ongoing seventh pandemic, which began in 1961, highlights the persistent nature of the disease in regions lacking adequate water treatment and hygiene. Beyond these global events, numerous localized outbreaks continue to occur, demonstrating the ongoing challenge of managing waterborne pathogens in vulnerable populations.