Merck Manual

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Yaws
Yaws
Yaws

Yaws begins as a slightly raised sore at the site of infection. The sore may be a yellowish bump (top). A crust may form on the surface of the sore (bottom).

Top image courtesy of Dr. Peter Perine via the Public Health Image Library of the Centers for Disease Control and Prevention. Bottom image courtesy of K McLennon, Tulane University Medical School, via the Public Health Image Library of the Centers for Disease Control and Prevention.

In these topics
Bejel, Yaws, and Pinta