Article content Although the risk of contracting Lyme disease remains low, people should protect themselves when enjoying the outdoors. We apologize, but this video has failed to load. Try refreshing your browser. Manitoulin Island adult tests positive for Lyme disease Back to video Blacklegged ticks infected with the bacteria that causes Lyme disease have been in the Sudbury and Manitoulin districts in past years; however, they are commonly found in rural areas along the north shores of Lake Erie, Lake Ontario, Lake Superior, and the St. Lawrence River. They are also found in the Rainy River area of northwestern Ontario.