how did scientific explanations for cholera change over the course of the 19th century

by Dr. Keeley Hintz MD 3 min read

For most of the 19th century, most scientists, physicians and sophisticated lay people believed cholera was not contagious. The observation that a doctor could have daily contact with cholera patients without falling ill led to the conclusions that cholera was not transmitted from person to person.

Full Answer

What is the history of cholera?

Cholera was the endemic disease in Bengal, India, but after the 19th century it had spread globally by the development of trade networks. The 1832 cholera in the United States was the first epidemic cholera in American history. The mortality of cholera was so high, but it was very hard to find out the cause of this fatal infectious disease.

What were the driving forces to control cholera during the 19th century?

These reform movements were the driving forces to control cholera during the 19th century. Cholera was the endemic disease in Bengal, India, but after the 19th century it had spread globally by the development of trade networks. The 1832 cholera in the United States was the first epidemic cholera in American history.

What is the pathophysiology of cholera?

Cholera is an infectious disease caused by a bacterium called Vibrio cholerae. The bacteria typically live in waters that are somewhat salty and warm, such as estuaries and waters along coastal areas. People contract V. cholerae after drinking liquids or eating foods contaminated with the bacteria,...

How did the cholera crisis lead to moral reform?

Moral reform expanded to Nativism, because lots of Irish immigrants were the victims of cholera. So, epidemic cholera was the opportunity to spread the desire for moral reform. To control cholera in 1849, the sanitary reform in Britain had affected.

How was cholera cured in the 19th century?

Treatment of the first stage (Premonitory) of cholera consisted of confining the victim to bed and the taking of some warmed mild aromatic drink such as spearmint, chamomile, or warm camphor julep. Once the individual had commenced to perspire, calomel, camphor, magnesia, and pure castor oil was administered.

Why was cholera so feared in the 19th century?

Cholera was extremely prevalent in London in the 19th century due to the manner in which it was spread. Cholera is a water-borne disease that emerges from a bacterium called Vibrio cholerae. Once someone contracts the disease, they can experience symptoms ranging from extreme dehydration, to diarrhoea, to vomiting.

What did scientists learn caused cholera?

A few decades later, the German physician Robert Koch identified the cause of cholera, the bacterium Vibrio cholerae. Koch confirmed that the bacterium was indeed spread via unclean water or food, providing concrete support for John Snow's theory. John is now widely credited with establishing the field of epidemiology.

What happened in 1854 that made scientists start to think about what cause cholera?

British doctor John Snow couldn't convince other doctors and scientists that cholera, a deadly disease, was spread when people drank contaminated water until a mother washed her baby's diaper in a town well in 1854 and touched off an epidemic that killed 616 people.

How did the Industrial Revolution affect cholera?

The worldwide cholera epidemic was aided by the Industrial Revolution and the accompanying growth of urban tenements and slums. An indoor toilet consisted of a small, oblong hole in the floor, without a seat - similar to toilets that prevailed in the Far East and other sections of the world even today.

How did cholera affect history?

History. During the 19th century, cholera spread across the world from its original reservoir in the Ganges delta in India. Six subsequent pandemics killed millions of people across all continents. The current (seventh) pandemic started in South Asia in 1961, reached Africa in 1971 and the Americas in 1991.

How do scientists study cholera?

Study of the disease By employing a technique he invented of inoculating sterilized gelatin-coated glass plates with fecal material from patients, he was able to grow and describe the bacterium. He was then able to show that its presence in a person's intestine led to the development of cholera in that person.

How did public health improve in the 19th century?

The nineteenth century marked a great advance in public health. "The great sanitary awakening" (Winslow, 1923)—the identification of filth as both a cause of disease and a vehicle of transmission and the ensuing embrace of cleanliness—was a central component of nineteenth-century social reforms.

When was the cause of cholera discovered?

The germ responsible for cholera was discovered twice: first by the Italian physician Filippo Pacini during an outbreak in Florence, Italy, in 1854, and then independently by Robert Koch in India in 1883, thus favoring the germ theory over the miasma theory of disease.

How did the cholera outbreak end?

8, 1854: Pump Shutdown Stops London Cholera Outbreak. 1854: Physician John Snow convinces a London local council to remove the handle from a pump in Soho. A deadly cholera epidemic in the neighborhood comes to an end immediately, though perhaps serendipitously.

How did Dr John Snow discover the cause of cholera in 1854?

A few years later, Snow was able to prove his theory in dramatic circumstances. In August 1854, a cholera outbreak occurred in Soho. After careful investigation, including plotting cases of cholera on a map of the area, Snow was able to identify a water pump in Broad (now Broadwick) Street as the source of the disease.

How did they get rid of cholera?

Cholera was prevalent In the United States in the 1800s but water-related spread has been eliminated by modern water and sewage treatment systems.

Where did cholera come from?

Although the ancient Greek physicians Hippocrates (5th–4th century bce) and Galen (2nd–3rd century ce) referred to an illness that may well have been cholera, and there are numerous hints that a cholera-like malady has been well known in the fertile delta plains of the Ganges River since antiquity, most of what is known about the disease comes from the modern era. Gaspar Correa, a Portuguese historian and the author of Legendary India, gave one of the first detailed accounts of the clinical aspects of an epidemic of “moryxy” in India in 1543: “The very worst of poison seemed there to take effect, as proved by vomiting, with drought of water accompanying it, as if the stomach were parched up, and cramps that fixed in the sinews of the joints.”

Where did the cholera outbreak occur?

A particularly large outbreak occurred in 1994 among the many hundreds of thousands who fled widespread killing in Rwanda and occupied refugee camps near the city of Goma, Zaire (now Democratic Republic of the Congo). Tens of thousands perished from cholera during the first four weeks following their flight.

How many people died from cholera in 1854?

Perhaps the worst single year of cholera was 1854; 23,000 died in Great Britain alone. The fourth and fifth cholera pandemics (beginning in 1863 and 1881, respectively) are generally considered to have been less severe than the previous ones.

Where did cholera appear in 1991?

In 1991 cholera appeared unexpectedly and without explanation in Peru, on the western coast of South America, where it had been absent for 100 years. Cholera caused 3,000 deaths in Peru the first year, and it soon infected Ecuador, Colombia, Brazil, and Chile and leaped northward to Central America and Mexico.

Where did the cholera epidemic spread?

The pandemic spread through Turkey and reached the threshold of Europe. The disease also spread along trade routes from Arabia to the eastern African and Mediterranean coasts. Over the next few years, cholera disappeared from most of the world except for its “home base” around the Bay of Bengal.

Why did people think more victims died in hospitals than their homes?

Unbalanced press reporting led people to think that more victims died in the hospital than their homes, and the public began to believe that victims were taken to hospitals where they were killed by doctors because of anatomical dissection, an outcome they referred to as “burking.”.

What is globalization?

Globalization is a complex and multi-faceted set of processes having diverse and widespread impacts on human societies worldwide. It can be defined as “changing the nature of human interaction across a wide range of spheres including the economic, political, social, technological and environmental...... the process of change can be described as globalizing in the sense that bound- aries of various kinds are becoming eroded. This erosion can be seen to be occurring along three dimen- sions: spatial, temporal and cognitive.” (Lee, 2003).

Was cholera seasonal?

Cholera, mercifully, was seasonal. As the summer waned, cases declined. By mid-August, the pandemic had greatly diminished. By the end of the month, residents began to return and businesses reopened.The U.S. witnessed these cholera outbreaks three more times before the century was through, the last one being in 1873. New York was much more populous by then, as was the U.S., but new scientific knowledge meant that the disease, by then known to be caused by a bacterium transmitted primarily through contaminated water, took a far, far smaller toll.

Why did cholera happen?

Contemporary medical opinion was that cholera was caused by bad air or ‘miasma’ from dung heaps or ‘nuisances’, sewers, damp and dirt. Other doctors argued it was caused from contact with people who had the disease through overcrowding. Their treatments reflected these ideas.

What was the cause of the cholera epidemic?

Dr John Snow, having seen earlier outbreaks of the disease was convinced that it was caused by water contaminated by sewage. He had written a medical paper on this theory in 1849.

What is cholera belt?

A ‘cholera belt’ was a wide cloth waistband made of flannel or wool worn around the stomach. The ‘belt’ was supposed to protect the person from the cold and damp, as it was thought that a cold abdomen would lead to cholera or diarrhea, and other stomach ailments.

What is the Court for King Cholera?

Many teachers will be familiar with the cartoon the ‘Court for King Cholera’ by John Leech which was published in Punch Magazine in 1852. The cartoon reveals, with its punning caption, a poor area of the city demonstrating a range of health hazards. Whilst the cartoon can be regarded as an attack on the Board of Health for its failure to address these problems, it provides unwitting testimony to the lack of understanding of the root cause of cholera in the 1850s, a contaminated water supply following two earlier cholera epidemics.

What was the name of the river that caused the death of the Chatham News?

Extracts from a newspaper, the Chatham News, dated 10 November 1866, about an inquest held into a death caused by cholera near the Brook, (the renamed Old River Bourne), close to the River Medway in the Kent town of Chatham. Catalogue ref: MH13/47.

Why was the first board of health established?

The Privy Council had set up the first Board of Health in 1805 to deal with the spread of fever. This letter is included in the correspondence and papers of the Central Board of Health, which was re-called to deal with a cholera epidemic in 1831.

What is AQA GCSE?

AQA GCSE: Improvements in public health: public health problems in industrial Britain; cholera epidemics; the role of public health reformers; local and national government involvement in public health improvement, including the 1848 and 1875 Public Health Act.