Steven Johnson: How the "ghost map" helped end a killer disease

The video discusses the cholera outbreak in 1854 London, highlighting the city's poor public health conditions and the prevailing belief that bad smells caused disease. John Snow, a local doctor, challenged this notion by proving cholera was waterborne, using a map to show the correlation between a contaminated water pump and the outbreak. His work led to significant public health reforms, making large-scale urban living sustainable.

What was the outcome of the Nuisances Act in relation to public health?

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How did the understanding of disease transmission change as a result of the cholera outbreak?

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What were the consequences of the cholera outbreak for the residents of Soho?

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In what ways did the cholera outbreak influence public health reforms in London?

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