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Photograph from the Public health image library (PHIL) [1]
Image has id 2354 at the PHIL site.
Title of image is: "Chancres on the penile shaft due to a primary syphilitic infection caused by Treponema pallidum bacteria" Description is: "The primary stage of syphilis is usually marked by the appearance of a single sore called a chancre. The chancre is usually firm, round, small, and painless."
Date of photography is 1971. Content provider is: CDC/Susan Lindsley Providing website states: "This image is in the public domain"
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