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?

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

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

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