primary bacterial infectious disease bejel A primary bacterial infectious disease that results in infection located in mucosa of mouth, located in skin or located in bone, has_material_basis_in Treponema pallidum subsp endemicum, which is transmitted by contact or transmitted by sharing of domestic utensils. The infection has symptom moist patches in the mouth, has symptom lumps in long bones, tissues around the mouth, nose, and roof of the mouth. These lumps destroy tissue, causing bones to be deformed and disfiguring the face.