1,000% increase in Lyme disease cases in Canada over a decade due to warming temperatures.

As Canada warms, infectious disease risks spread north, with Lyme disease cases increasing more than 1,000% in a decade. Warming temperatures push the range of pathogens and risk factors northward, while exotic mosquito species that could carry diseases like dengue and yellow fever have become established in parts of Ontario. Researchers warn of increased risks of microbial disease associated with food contamination and warm weather.

May 26, 2024
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