She died from a tick-spread illness most Canadians have never heard of. Why more people could be at risk | CBC Newswww.cbc.ca For years, medical experts have warned a rising number of Canadians are being exposed to ticks carrying an array of dangerous pathogens. Lyme disease is the most familiar, but concerns about anaplasmosis, babesiosis, and Powassan virus are also growing. Are surveillance and awareness efforts keeping pace?