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He didn't - that was John Snow of England. Snow didn't know EXACTLY what was in the water that caused cholera to spread, but he was able to prove, to most everyone's satisfaction, that it was contaminated water, and not foul air, that caused cholera to spread.

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Q: How did Louis Pasteur find out that cholera was in water?
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Related questions

Where did Louis Pasteur find bacteria?

define paste


Why did Louis Pasteur want to become a scientist?

because he wanted to find cures for sicknesses


Find a picture of Louis Pasteur's college?

he went to the Royal college in besancon in 1842


What was Louis Pasteur big challenge?

to find a way to make milk safe to use and drink


Why did Louis Pasteur discover vaccination?

Because three of his daughters died of typhoid fever, Louis Pasteur did try to find a cure for this illness and other infectious diseases. However, he did not find a cure for it. Louis Pasteur is famous for inventing the process of pasteurization and principles of vaccination. He was born in 1822 and died in 1895.


What dd Louis Pasteur invent?

he did not invent anything,but he did find a way to stop people from getting sick from milk.


Do we use Louie Pasteur's work what he has done today?

Yes, we do use Louis Pasteur's work in our work today, because he would experiment and use microscopes to find disease, and that what is done today to find if something has germs in it.


What awards did Louis Pasteur win?

Louis Pasteur died in 1895, 6 years before the Nobel prizes began to be awarded.


Where can you find cholera?

Potentially anywhere, you only need to have a dirty water (or food) supply that has the bacterium of cholera. Countries that you are likely to catch it in are probably third world countries with bad hygiene that could cause sewage to leak into water supplies.


What are the six water related diseases?

diarrhea, and cholera that is the only two i could find


What Louis Pasteur studyed?

It was his study of how to find the antidote for rabies. Louis Pasteur's fields of study were: He was a chemist and microbiologist.Further information:Pasteur is regarded as the founder of microbiology. He discovered the role bacteria played in the process of fermentation. He experimented with bacteria and completely disproved the theory of spontaneous generation. This led to the theory that infection is caused by germs. Pasteur used this knowledge to develop the process in which liquids such as milk were heated to kill all bacteria and moulds already present within them. This process became known as pasteurisation.Pasteur then recognised that Infectious Diseases are caused by microorganisms. His research soon led others to investigate sterilisation, disinfection, vaccines, and eventually antibiotics. Pasteur created and tested vaccines for diphtheria, cholera, yellow fever, plague, rabies, anthrax, and tuberculosis.Hope this helps :)


What was Louis Pasteur hypothesis?

Wanted to find out why food spoiled when it was exposed to warm air.