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Updated: Jul 3, 2026

Extraction of Saliva, Haemolymph, Salivary Glands, and Midgut from Individual Ticks (Acari: Ixodidae)
Published on: October 31, 2025
Probable African tick bite fever identified during preoperative evaluation in Central Utah
Nicole Skalka1, Colleen Moisa1, Preston M Gilbert2
1Rocky Vista University College of Osteopathic Medicine, Ivins, UT 84738, United States.
None:
African tick bite fever (ATBF) is a spotted fever group rickettsiosis caused by Rickettsia africae and is often identified among travelers returning from sub-Saharan Africa. Clinical presentation may be mild or nonspecific, often delaying diagnosis despite characteristic findings such as inoculation eschars. A 52-year-old male presented to the preoperative holding area prior to a scheduled left-sided inguinal hernia repair after recently returning from a game-hunting trip to Africa. During preoperative intake, he was noted to have a fever of 106 °F despite being otherwise asymptomatic. Physical examination revealed two black eschars on the patient's back and right shin. Given the presence of high-grade fever, the scheduled procedure was canceled, and the patient was discharged for outpatient evaluation. He was subsequently treated with a 10-day course of doxycycline for suspected African tick bite fever. At two-week follow-up, the patient remained asymptomatic, his fever had resolved, and repeat preoperative evaluation was unremarkable. Surgical repair of the inguinal hernia was performed without complications. Although laboratory confirmation was not obtained, the clinical presentation, including characteristic eschars, high-grade fever, and recent travel to sub-Saharan Africa, was highly suggestive of ATBF. This case underscores the importance of maintaining clinical suspicion for ATBF in returning travelers and highlights the diagnostic value of inoculation eschars, even in the absence of systemic symptoms. Early recognition of suspected ATBF and empiric doxycycline therapy may result in rapid clinical improvement and help prevent unnecessary delays in care.
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