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"Crab yaws" on the foot

This image depicts a dorsal view of a patient’s left foot, revealing the effects of a condition known as late yaws. Late yaws develops in only about 10% of people who are infected with yaws. It begins at least 5 years after the appearance of early yaws, and it has the potential to cause severe damage to the skin, bones, and joints, especially in the legs. (Source: Photography by Susan Lindsley, Centers for Disease Control and Prevention, 1978. Public Health Image Library ID# 3831, Centers for Disease Control and Prevention, Atlanta, Georgia. Public domain.)

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