Canada and USA:
Canine Vector-Borne Disease Map combined totals over the last 5 years (Lyme, heartworm, anaplasmosis & Ehrlichiosis)
Companion Animal Parasite Council Map (Lyme, heartworm, anaplasmosis, Ehrlichiosis, roundworms, hookworms, whipworms, giardia, feline leukemia virus and feline immunodeficiency virus)