London’s reaction when John Snow correctly said that the cholera outbreak was caused by fecal contamination of the water supply.

le maîtreJanuary 13, 2019meme

London’s reaction when John Snow correctly said that the cholera outbreak was caused by fecal contamination of the water supply.

http://bit.ly/2TRRi7x via /r/HistoryMemes http://bit.ly/2D7Tp1v

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