Snow announced his findings in a pamphlet of 1849, On the Mode of Communication of Cholera, which demonstrated a clear link between cholera and water contaminated with human feces. It is one of the most important documents in the history of statistics, public health, medicine, demographics, forensic science—one of the most important documents, in short, of the nineteenth century. No one listened, and the epidemics kept coming.
This is so frustrating. And little has changed in that sense, almost 200 years later.
