Bejel, Pinta, and Yaws By Larry M Bush, MD, FACP, Charles E Schmidt College of Medicine, Florida Atlantic University; Maria T Vazquez-Pertejo, MD, FACP, Wellington Regional Medical Center Reviewed / Revised Nov 2022 View Patient Education Symptoms and Signs Diagnosis Treatment Key Points Topic Resources Yaws—Primary Yaws—Secondary Yaws—Tertiary Bejel, pinta, and yaws (endemic treponematoses) are chronic, tropical, nonvenereal spirochetal infections spread by body contact.