RM
London cholera map, 1849
Map London, UK, showing deaths (dark blue) due to cholera during the epidemic of 1849. Cholera, a bacterial infection of the intestines, was often fatal before modern treatments were developed. It spread in infected water supplies and killed millions in the 19th century. The bacterium causing the disease (Vibrio cholerae) was not identified until 1883., by WELLCOME IMAGES/SCIENCE PHOTO LIBRARY
More
Top Categories