Collaborative Research Investigating Public Health Challenges Related to Canines in Rural, Urban, and Remote Communities in Canada
Epidemiology and One Health: Collaborative Research Investigating Public Health Challenges Related to Canines in Rural, Urban, and Remote Communities in Canada by Danielle Arlaine Julien A Thesis presented to The University of Guelph In partial fulfilment of requirements for the degree of Doctor of Philosophy in Population Medicine Guelph, Ontario, Canada © Danielle Arlaine Julien, June 2020 ABSTRACT EPIDEMIOLOGY AND ONE HEALTH: COLLABORATIVE RESEARCH INVESTIGATING PUBLIC HEALTH CHALLENGES RELATED TO CANINES IN RURAL, URBAN, AND REMOTE COMMUNITIES IN CANADA Danielle Arlaine Julien Advisor(s): University of Guelph, 2020 Dr. Jan M. Sargeant Dr. Sherilee L. Harper (Co-Advisor) This thesis is an investigation of public health challenges related to dogs in rural and urban communities in southern Ontario, and in remote Iqaluit, Nunavut, Canada, using cross- sectional observational studies. First, we conducted a scoping review of canine zoonotic and vectorborne research in North American countries, categorized by the Inequality-adjusted Human Development Index (IHDI). Most research was conducted in “very high” and “high” IHDI countries. Second, the prevalence of Giardia spp. and Cryptosporidium spp. were investigated in dogs in Iqaluit, Nunavut. Using Ecohealth and One Health approaches, feces were collected from three dog populations (sled (n=79), shelter (n=111), and community dogs (n=104)). The fecal prevalence of at least one parasite when one sample was chosen at random for all dogs was 8.16% (95% CI: 5.52-11.92), and of Giardia spp., and Cryptosporidium spp. was 4.42% (95% CI: 2.58-7.49) and 6.12% (95% CI: 3.88-9.53), respectively. We identified Giardia intestinalis, zoonotic assemblage B (n=2), and species-specific D (n=3) and E (n=1); and 5 samples containing Cryptosporidium canis.
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