The Work of John Snow and Henry Whitehead in Changing the World
In the mid-1880s, a British doctor named John Snow discovered the actual cause of cholera. He encountered difficulties doing so because he could not persuade other doctors that cholera was spread by consuming contaminated water (Golzari, Khan, Dabbagh, Kavandi, Mahmoodpoor, Sabermarouf, and Ghibli, 2015). To him, this was justified because 616 people died in 1854 after drinking contaminated water from a well. The contamination was caused by a woman who washed her baby’s diapers in the same well. In 1848, he analyzed cholera case distribution in relation to the cleanliness and purity of London’s water supply (Golzari et al., 2015).
On the other hand, the Broad Street epidemic tested his hypothesis that cholera was caused by consuming contaminated water in 1854, and they still did not believe him. Henry Whitehead, a church father in England, believed God’s divine intervention caused cholera. He chose to repeat Snow’s analysis because he was one of the non-believers in Snow’s theory on the actual cause of cholera. Whitehead discovered approximately 700 deaths within a short distance of each other (Golzari et al., 2015). He discovered that the deaths were caused by using Broad Street water. As a result, he accepted Snow’s argument, which changed the world for the better. Snow is still known as the “Father of Epidemiology.”
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