Leprosy Overview (see page 2)Dr. Hansen got a clue and put infected tissue under the microscope, identified the bacteria causing the problem which led to a cure. Possibly modest cure costs nonetheless prevent some people from getting cured.
I was reasonably sure there was treatment for it now. I didn’t remember this exactly though, so thanks for the mention and link.
http://www.freerepublic.com/focus/news/3216540/posts?page=15#15