Complex sentence: Historically, a small north shore colony on Molokai, Kalaupapa, was a refuge for sufferers of Hansen's Disease, but there are no active cases of Hansen's Disease on Molokai today.
Split into simpler sentences: Historically, a small north shore colony on Molokai, Kalaupapa, was a refuge for sufferers of Hansen's Disease. There are no active cases of Hansen's Disease on Molokai today.