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Updated: Jan 4, 2026

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Extraction of Saliva, Haemolymph, Salivary Glands, and Midgut from Individual Ticks (Acari: Ixodidae)
Published on: October 31, 2025
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A rickettsia infection from Saudi Arabia
Fatehi E Elzein1, Mutib Aloteibi2, Wasan Alanazi2
1Infectious Diseases Unit, Prince Sultan Military Medical City (PSMMC), Riyadh, Saudi Arabia.
Summary
A young patient contracted a spotted fever group (SFG) infection after a tick bite in Saudi Arabia. Early doxycycline treatment was effective, highlighting SFG as a crucial diagnosis for febrile illnesses.
Area of Science:
- Infectious Diseases
- Tick-borne Illnesses
- Public Health
Background:
- Spotted fever group (SFG) infections are transmitted by ticks and are prevalent in various regions.
- Rickettsia vectors and human seroprevalence studies indicate potential for SFG in Oman and Saudi Arabia.
- Despite potential vectors, SFG is infrequently reported in Arab Gulf countries.
Observation:
- A young patient presented with fever, headache, maculopapular rash, and an eschar post-tick bite.
- Serological tests confirmed an acute spotted fever group (SFG) infection.
- The patient showed a significant clinical improvement with doxycycline therapy.
Findings:
- This case represents the first reported instance of SFG infection acquired within Saudi Arabia.
- The clinical presentation and laboratory results are consistent with a rickettsial infection.
- Prompt antibiotic treatment with doxycycline led to a rapid recovery.
Implications:
- SFG infections should be considered in the differential diagnosis of febrile illnesses, especially with a history of tick exposure.
- This case underscores the importance of recognizing tick-borne diseases in regions where they are considered rare.
- Further surveillance and awareness are needed to understand the true burden of SFG in the Arab Gulf region.
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