The idea that is disease -- Moving forward: cartographies of disease -- Mapping symptoms, making disease -- Body and world: the sixteenth century -- Diseases in cities: the neighborhoods of plague -- The yellow fever thing -- Cholera: the exemplar -- "Asiatic cholera": India and then the world -- Bureaucratic cholera -- John Snow's cholera -- South London choleras: William Farr, John Snow, and John Simon -- Choleric Broad Street: the neighborhood disease -- Cholera, the exemplar -- The legacy and its future -- Cancer as cholera