Map of the World Distribution of Cholera.
By Jacques M. May. Reprinted from Geographical Review, Volume XLI, no. 2, 1951. Paper. Pp. 272-273. American Geographical Society, Broadway at 156th St., New York 32, 1951.
Map of the World Distribution of Poliomyelitis.
By Jacques M. May. Reprinted from Geographical Review, Volume XL, no. 4, 1950. Paper. Pp. 646-648. American Geographical Society, Broadway at 156th St., New York 32, 1950.These maps form part of a projected "Atlas of Diseases" instituted by the American Geographical Society, a professional organization of geographers that is especially interested in medical geography. The first map, prepared with the assistance of a grant from the National Foundation for Infantile Paralysis, includes data on morbidity rates for poliomyelitis since 1900, regional differences in the age group predominantly attacked, epidemics among military personnel, and percentage of positive reactions to neutralization tests in selected areas. The sources of information are