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Tick Invasion: Canada Braces for Southern Invaders
11 May
Summary
- New tick species carrying dangerous pathogens are migrating north from the US.
- Lone star ticks can cause severe meat allergies, while Asian ticks threaten cattle.
- A new Canadian research center is studying ticks to combat diseases and develop defenses.
Canada is on alert as scientists predict a steady migration of ticks from the United States, carrying potentially dangerous pathogens. Over 40 tick species already exist in Canada, with the blacklegged tick known for transmitting Lyme disease. However, new species are advancing at a rate of about 50 kilometers annually, raising concerns about established populations.
Among these, the lone star tick is a significant worry, capable of causing a severe meat allergy in humans, as exemplified by an individual who experienced anaphylactic shock. The Asian long-horned tick also presents a threat, particularly to livestock, potentially causing anemia and death in cattle. This necessitates heightened vigilance from farmers.
To address these emerging threats, the Canadian Tick Research and Innovation Centre has opened at Acadia University. This facility is dedicated to studying tick behavior, the pathogens they carry, and developing new prevention and management strategies, including research into diseases like Powassan virus for which no treatment currently exists. Simple precautions and ongoing monitoring are emphasized by experts.
