In a study published in Monday’s online issue of the Canadian Medical Association Journal, scientists documented how the territory of the blacklegged tick Ixodes scapularis, which transmits Lyme disease, is expanding east across the country. “Projected increases in temperature with climate change are expected to permit and accelerate the expansion of I. scapularis into Canada,” Dr. Nicholas Ogden from the Public Health Agency of Canada in Saint-Hyacinthe, Que., and his colleagues wrote. Property of CBC Canada, shared on youtube only to help raise awareness for Lyme disease