Which tick transmits RMSF in Eastern and Midwestern states, sometimes called a wood tick?

Answer

American Dog Tick (Dermacentor variabilis)

While *Dermacentor andersoni* is the focus in the West, the common name 'wood tick' is sometimes applied generally to other species in different areas. The American Dog Tick, scientifically named *Dermacentor variabilis*, is specifically identified as the vector responsible for transmitting Rocky Mountain Spotted Fever (RMSF) in the Eastern and Midwestern regions of the United States. This highlights the importance of identifying the regional tick species, as the microbial baggage carried by the local tick population determines the specific health risk profile, even when encountering similar-looking environments.

Which tick transmits RMSF in Eastern and Midwestern states, sometimes called a wood tick?
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