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Definition of Rickettsiosis, North Asian tick-borne
Medically reviewed by Min Clinic Staff | Updated: January 2026
Rickettsiosis, North Asian tick-borne: One of the tick-borne rickettsial diseases of the eastern hemisphere, similar to but less severe than Rocky Mountain spotted fever. Symptoms include fever, a small ulcer (eschar) at the site of the tick bite, swollen glands near the site of the bite (satellite lymphadenopathy), and a red, raised (maculopapular) rash.