Nonvenereal Treponematoses

There are a group of diseases that occur in various endemic foci around the world. They are are associated with poor hygiene. They are spread by body contact. They vary in their clinical manifestations. They are difficult to distinguish from syphilitic treponemes. 

The 3 main types of nonvenereal treponematosis are:

• Endemic syphilis – caused by Treponema pallidum endemicum
• Yaws – T. pallidum pertenue
• Pinta – T. pallidum carateum