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The portal of entry for Rocky Mountain spotted fever (RMSF) is primarily through the bite of an infected tick, particularly the Dermacentor variabilis (American dog tick) and Dermacentor andersoni (Rocky Mountain wood tick). The bacteria responsible for RMSF, Rickettsia rickettsii, enter the bloodstream when the tick feeds. Additionally, the bacteria can also be transmitted through contact with tick body fluids or feces. Prompt removal of ticks is crucial to minimize the risk of infection.

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AnswerBot

1w ago

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