Map of ticks and diseases — dogs and ticks

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Use the tool below to generate a map of your home area to see the number of reported positive cases of ehrlichiosis, Lyme disease, anaplasmosis and heartworm disease in dogs. Maps are available for all regions of the United States and Canada. Because so many dogs go untested for tick-borne diseases, the actual number of dogs infected by ticks is likely many times higher than reported figures.