This undated photo provided by the U.S. Centers for Disease Control and Prevention shows a black-legged tick, which is also known as a deer tick. Ontario's top doctor expects to see a growing number of cases of three types of tick-borne illness in the province, in addition to Lyme disease — a spread he says is directly linked to climate change.
A new regulation that takes effect this weekend requires health-care providers in Ontario to report cases of anaplasmosis, babesiosis and Powassan virus to their local medical officers of health. "We can now count and track when these illnesses are occurring, map it for a risk map and be able to inform the public when these diseases become more prevalent," he said in an interview.
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