He is suffering from yaws, a highly contagious skin infection that although eradicated in many parts of the world remains common amongst forest dwelling communities and can be easily treated.

• 他患了雅司病，这种高度传染性的疾病在世界许多地方已经彻底根除，不过在一些森林居住区患病的可能性还是很高，但治疗起来并不困难。