Heartworm threat widens across Canada over two decades
Twenty years of surveys show canine heartworm disease entrenched in Ontario Quebec Manitoba and British Columbia with cases also in all provinces except Prince Edward Island. In 1995 veterinarians reported 487 cases as mosquitoes spread the parasite with climate and travel aiding northward and westward movement. Prevention relies on annual vet checks and preventive meds. treatment is costly and can damage lungs and heart. Contact Manitoba Veterinary Medical Association for details.