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Quick Reference: Ticks and Pathogens

Below is a quick reference guide to ticks most commonly found on companion animals and the pathogens which they can transmit.


**It's important to note that pathogen infection prevalence of ticks can vary significantly by geographic area, so the information provided below does not imply that those pathogen are present in all areas with those tick populations. 


Greene, C. Infectious Diseases of the Dog and Cat, 4th edition. (Saunders, 2011).

Lindquist, E. E. et al. A Handbook to the Ticks (Ixodida: Ixodidae, Argasidae) of Canada. (Biological Survey of Canada, 2016).


Little, S. E. Ehrlichiosis and Anaplasmosis in Dogs and Cats. Vet. Clin. NA Small Anim. Pract. 40, 1121–1140 (2010).

Nelder, M. P. et al. Human pathogens associated with the blacklegged tick Ixodes scapularis: a systematic review. Parasit. Vectors 9, 265 (2016).

Merck Veterinary Manual. (Merck and Co., 2018).

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