Relationship with Humans
Ticks harbour and spread an unusual variety of disease-causing pathogens to their hosts, including protozoa, rickettsia, bacteria and viruses. In Canada they may transmit Colorado tick, rickettsial Q and Rocky Mountain spotted fevers, bacterial tularemia, spirochaete Lyme disease and viral Powassan encephalitis. Although the disease strains in Canada are usually not of serious medical or veterinary importance, the recent spread of Lyme disease has assumed increasing medical attention and considerable public concern.
Author EVERT E. LINDQUIST
Links to Other Sites
Canadian Biodiversity Website
A great information source for all budding biologists. Learn about biodiversity theory, natural history, and conservation issues. From McGill’s Redpath Museum.
Check out the colourful AboutKidsHealth website for online articles on hundreds of childhood ailments, medications, behavioural issues, and medical procedures. Also offers an animated "How the Body Works" feature, and much more. From the Hospital for Sick Children (SickKids) in Toronto.
The Canadian National Collection of Insects, Arachnids and Nematodes
This website provides information about the scope and contents of the Canadian National Collection of Insects, Arachnids and Nematodes. Check the “Index” link for illustrated descriptions of various taxonomic groups.