Tick-spread illnesses are on the rise in Canada. Are surveillance, awareness efforts keeping up? ()

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CBC Tech
· 8 months ago
Tick-spread illnesses are on the rise in Canada. Are surveillance, awareness efforts keeping up?

<img src='https://i.cbc.ca/1.7261729.1720793917!/fileImage/httpImage/image.jpg_gen/derivatives/16x9_620/maryann-harris.jpg' alt='MaryAnn Harris in hospital on a ventilator. ' width='620' height='349' title='One morning in Sept. 2021, MaryAnn Harris felt strangely tired. After new symptoms cropped up, from nausea to double vision, her husband rushed her to hospital. What followed was a three-year ordeal that led to Harris&apos; death in June 2024. The cause? A tick bite that infected the Ottawa resident with a little-known pathogen called Powassan virus, one of several emerging tick-spread illnesses that medical experts say could be striking more Canadians in the decades ahead.'/><p>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?</p>

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