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April 1, 2024
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3 März 1854 Jahr - John Snow

Beschreibung:

John Snow, known as the father of epidemiology, discovered cholera was coming from a well in a neighborhood that was contaminated with cholera. He broke off the pump to the well and infection rates dropped

Zugefügt zum Band der Zeit:

Datum:

3 März 1854 Jahr
Jetzt
~ 170 years ago