What London water pump was responsible for the 1848 cholera outbreak in London?

the Broad Street pump
Snow was able to prove that the cholera was not a problem in Soho except among people who were in the habit of drinking water from the Broad Street pump. He also studied samples of water from the pump and found white flecks floating in it, which he believed were the source of contamination.

How was the cholera outbreak in London stopped?

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.

Where was the cholera pump?

Original map by John Snow showing the clusters of cholera cases (indicated by stacked rectangles) in the London epidemic of 1854. The contaminated pump is located at the intersection of Broad Street and Cambridge Street (now Lexington Street), running into Little Windmill Street.

How did baby Lewis’s waste end up contaminating the Broad Street pump?

After baby Lewis’s death, the Lewis family stopped emptying cholera-infected waste into the cesspool—however, after Thomas took ill, Sarah Lewis began emptying his diarrhea into the cesspool, infecting the Broad Street pump once more.

How did John Snow prevent cholera?

He also determined that brewery workers and poorhouse residents in the area, both of whom relied on local wells, escaped the epidemic. Snow concluded that access to uncontaminated water prevented them from cholera infection, while users of the Broad Street pump became infected.

Why is John Snow the father of epidemiology?

In the mid-1800s, an anesthesiologist named John Snow was conducting a series of investigations in London that warrant his being considered the “father of field epidemiology.” Twenty years before the development of the microscope, Snow conducted studies of cholera outbreaks both to discover the cause of disease and to …

Where did cholera come from in London?

In actual fact, cholera is a water-borne disease produced by the bacterium vibrio cholera and transmitted via contaminated water sources. In the mid-1800s, London’s poorest were surrounded by their own and others’ filth, as basement cesspits overflowed due to the lack of efficient sewage system.

When did John Snow remove the pump handle?

1854
In 1854, a physician removed the handle from a public water pump—and it changed the world. Known as the father of epidemiology, John Snow was credited with ending a cholera outbreak in London.

Who was Patient Zero for cholera?

Patient zero was a baby girl living in London. She contracted cholera on Aug. 28, 1854. That day her mother cleaned her diapers in a bucket and emptied the fetid effluent into the building’s cesspool, the edge of which was a few feet from the neighborhood water well.