Track of the Epidemic from Taveta to Bura and from Zanzibar by Mombasa to Ribe
In Koch (2005), the caption is
“Christie’s map of cholera diffusion in Zanzibar. Source: Reproduced courtesy of College of Physicians of Philadelphia.”
In this map, which was published in 1876, the physician James Christie
charts the route of two distinct cholera epidemics.
The only date on the map is December 1869 at Mombasa.
The map provides detailed evidence against miasmatic views about the spread of cholera.
For context, see the description page for the companion map,
The Geographical Diffusion of Epidemic Cholera in Eastern Africa.
The image was scanned from Fig 7.10 in Tom Koch (2005). Cartographies of Disease. ESRI Press, Redlands, California.
The original map was published in Christie, J. (1876). “Cholera Epidemics in East Africa: An Account of the Several Diffusions of the Disease in that Country from 1821 till 1872, with an Outline of the Geography, Ethnography, and Trade Connections of the Region through which the Epidemics Passed”. London: MacMillan.
The Diffusion of Cholera in the United States in 1866
Historical cholera pathways in 1817-1823 and 1863-1869
Network of cholera diffusion in India, c1931-1953