"How Syphilis Spreads"

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"How Syphilis Spreads"


This chart shows the results of an epidemiological investigation of cases of syphilis.

"A physician in a middlewestern city asked the State Health Department to trace the source of infection in 3 cases of newly acquired infectious syphilis in his practice, all men (B). The infection was traced back to 1 woman, a prostitute (A). Then the inquiry turned to persons whom these men might have infected. It was discovered that 1 man had infected 1 girl, and another man 9 girls, of whom 6 were under 18 years of age (C). Of these, 4 girls in turn infected 4 other men (D). In all 24 persons were examined and 18 were found infected and placed under treatment."



American Social Health Association Records (1905-2005), University of Minnesota, Social Welfare History Archives, Box 177, Folder 6.


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1930 How Syphilis Spreads 2.jpg


ASHA, “"How Syphilis Spreads",” Venereal Disease Visual History Archive, accessed April 24, 2024, https://vdarchive.newmedialab.cuny.edu/items/show/359.


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