Tick-tock: Ticks are spreading across Canada. Here are their new homes
Once relatively rare in Canada, blacklegged ticks are moving in across large parts of country, bringing with them the threat of Lyme disease.
They’re
moving fast — between 35 and 55 km per year, according to Nick Ogden,
director of the public health risk sciences division at the Public
Health Agency of Canada’s National Microbiology Laboratory.