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What You Should Know About Tickborne Diseases:

In the United States, some ticks carry pathogens that can cause human disease, including:

Lyme disease is transmitted by the blacklegged (deer) tick in the northeastern U.S. and upper midwestern U.S. and the western blacklegged tick along the Pacific coast.

Powassan virus is transmitted by the blacklegged (deer) tick and the groundhog tick. Cases have been reported primarily from northeastern states and the Great Lakes region.

Rocky Mountain spotted fever (RMSF) is transmitted by the American dog tick, Rocky Mountain wood tick, and the brown dog tick in the U.S. The brown dog tick and other tick species are associated with RMSF in Central and South America. Blacklegged (deer) tick American dog (wood) tick Blacklegged (deer) tick American dog tick Adult female, adult male, nymph, larva