Molecular Detection of Coxiella burnetii in Ticks Isolated from Domestic Animals in Slaughterhouses and Farms, Shahr-E-Rey, Tehran, Iran

Journal of Arthropod-Borne Diseases · Published 2025-01-08 · DOI 10.18502/jad.v18i2.17538

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Abstract

Background: Coxiella burnetii causes Q fever, a zoonotic and vector-borne disease. Ticks serve as vectors for this bac­terium. This study aimed to determine the prevalence of C. burnetii infection in ticks in Shahr-e-Rey County, Tehran Province. Methods: From December 2016 to November 2017, 179 ticks were collected on sheep at animal husbandry facilities and slaughterhouses located in Shahr-e-Rey, Tehran Province. Tick samples were morphologically identified and evalu­ated for the presence of the C. burnetii IS1111 gene using real-time PCR. Results: Ticks were classified into four genera: Hyalomma (66.48%), Rhipicepalus (23.47%), Dermacentor (7.26%), and Ornithodoros (2.79%). Furthermore, 35.20% of the ticks were Hyalomma nymphs. All 77 ticks were pooled by species, and C. burnetii was found in 22.08% (n= 17). Ornithodoros lahorensis was the most prevalent tick infected with C. burnetii. Conclusion: The distribution of C. burnetii and reports of Q fever from various regions of the country strongly suggest that the monitoring system should give this disease more attention.

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Publication details

Year
2025

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