Question

wch physician discovered dat conTaminateD.water was the source of the cholaraepidiMic in lOnDon...

Answer 1

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Later remained to some other"John snow"-Discovered

In 1883 a German physician, Robert Koch, took the search for the cause of cholera a step further when he isolated the bacterium Vibrio cholerae, the “poison” Snow contended caused cholera.

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Answer 2

John snow discovered.