Cholera topped the list of disease outbreaks in Africa last year as a warming world increased both flooding and droughts in ...

During the Victorian era in 1854, when London was plagued by the ravaging third cholera pandemic, Snow's insightful observations led to groundbreaking discoveries on how the disease spread and how ...

A 19th century illustration depicting a water pump as a cause of disease and death. In 1854, during the third cholera outbreak in London, Snow set out to prove his theory that unclean water caused ...