The Dose
Why should I be concerned about mosquitoes?
Sep 5, 2024
Dr. Sumon Chakrabarti, an infectious diseases specialist at Trillium Health Partners, delves into the rising threats posed by mosquitoes in Canada. He explains why some individuals attract these pests more than others, revealing fascinating factors like pheromones and body temperature. The discussion highlights the risks of diseases such as West Nile virus and Eastern equine encephalitis amidst climate change. Dr. Chakrabarti stresses the importance of preventive measures and the need for more research into the health impacts of these diseases.
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Quick takeaways
- Climate change significantly affects the spread of mosquito-borne diseases, increasing the risk of outbreaks in previously unaffected areas.
- West Nile virus remains the primary mosquito-borne disease in Canada, sometimes leading to severe neurological symptoms and requiring supportive care management.
Deep dives
Understanding Mosquito-Borne Diseases in Canada
West Nile virus is the most common mosquito-borne disease in Canada, with Eastern equine encephalitis and a few other viruses also present. West Nile virus is primarily transmitted through mosquito bites after these insects feed on infected animals, predominantly wild birds. The virus can lead to various symptoms ranging from mild to severe, including fever, headache, and in serious cases, encephalitis or meningitis. Each year, the number of reported West Nile cases can vary significantly, with historical data indicating anywhere from 40 to 2,400 cases, influenced by factors such as the mosquito population and weather conditions.
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