John Snow trivia
John Snow Mini Quiz
Test your knowledge with these top questions!
Question 1
Physician John Snow used his 1854 map of London to prove cholera spreads through what mechanism?
Snow's findings directly challenged the prevailing "miasma theory," which incorrectly blamed diseases like cholera on foul-smelling, polluted air rather than pathogens.
Question 2
Pioneer epidemiologist John Snow mapped London cholera deaths to trace the outbreak to what specific source?
Snow identified the Broad Street pump in Soho as the epicenter, later discovering it had been contaminated by a leaking cesspit just feet away.
Question 3
To visualize the 1854 London cholera outbreak, physician John Snow plotted what exact data point on his map?
By marking each fatal case with a small black bar at its street address, Snow revealed a stark mortality cluster around a single localized water source.
Question 4
London officials stopped an 1854 cholera outbreak after viewing John Snow's map by taking what physical action?
While new infections were already declining, disabling the Broad Street pump ended the immediate threat and became a landmark event in global public health history.