It's official. A March 2012 study confirmed that the tick that spreads lyme disease has been infiltrating Canada for the past 20 years.
Despite this many Canadians still tell tales of years of misdiagnosis and mistreatment as doctors tell them that it just isn't possible to contract lyme disease in this country.
Meet Peter von Tiesenhausen. He believes that he contracted lyme disease over a decade ago while camping in south western British Columbia.
With global warming, the tick's range is expected to expand dramatically over the next twenty years - by then 80% of Canadians east of Saskatchewan will live in at risk areas. How prepared is our medical community for a dramatic increases in cases?
Learn more on Ticked Off: The Mystery of Lyme Disease airing this October on The Nature of Things.