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Q fever, caused by Coxiella burnetii, is an important zoonotic and public health concern worldwide. Kangaroos are thought to be a likely wildlife reservoir for C. burnetii in Australia and the kangaroo tick (Amblyomma triguttatum) has often been considered a vector. In this descriptive study of ticks collected from a population of eastern grey kangaroos (Macropus giganteus) with a high serological (84 %) and molecular (65 %) prevalence of C. burnetii in northern New South Wales, a total of 72 A. triguttatum ticks were tested by PCRs targeting the IS1111, htpAB, and com1 genes of the Coxiella genome. Despite the remarkably high prevalence of coxiellosis in the host population, none of the ticks were positive for Coxiella. This finding suggests that the kangaroo tick may not play a significant role in the transmission dynamics of C. burnetii in this particular host population.
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http://dx.doi.org/10.1016/j.ttbdis.2024.102406 | DOI Listing |
Vector Borne Zoonotic Dis
September 2025
Key Laboratory of Forensic Medicine, Institute of Medical Sciences, School of Basic Medical Sciences, Xinjiang Medical University, Urumqi City, China.
spp. are widespread in ticks. , the agents of Q fever, is vectored by ticks and is well known for its veterinary and medical importance.
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September 2025
Department of Surgical and Medical Science, University of Foggia, 71100, Foggia, Italy.
Objectives: Tick-borne diseases (TBDs) pose a growing occupational risk due to the expanding geographical range of tick species and their associated pathogens. This study aims to assess TBD seroprevalence among different occupational groups in Europe, identifying high-risk professions and guiding targeted prevention efforts.
Study Design: A systematic review and meta-analysis were conducted following PRISMA guidelines to evaluate TBD seroprevalence in occupational settings across Europe from January 2013 to June 2024.
Comp Immunol Microbiol Infect Dis
August 2025
Institute of Veterinary Sciences, University of Blida 1, Algeria; Laboratory of Physical Chemistry of Material Interfaces Applied to the Environment, Saâd Dahlab University, Blida 1, B.P. 270, Route de Soumaa, Blida 09000, Algeria. Electronic address:
This systematic review, conducted according to PRISMA guidelines, provides a comprehensive synthesis of epidemiological data on Coxiella burnetii, the causative agent of Q fever, in humans and animals worldwide. A total of 1321 publications were identified, of which 166 met the inclusion criteria. Q fever, first described in 1937 in Australian abattoir workers, remains a globally distributed zoonosis, with domestic ruminants (sheep, goats, cattle) serving as the primary reservoirs and sources of human infection.
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August 2025
Department of Respiratory and Critical Care Medicine, Hangzhou Linping Hospital of Integrated Traditional Chinese and Western Medicine, Hangzhou, Zhejiang, China.
Q fever, caused by (Q fever ), is a zoonotic disease with a natural reservoir and has been reported in many countries and regions. Its clinical presentation is non-specific and easily confused with other infectious or non-infectious diseases. Conventional diagnostic methods, such as respiratory specimen culture, often fail to yield conclusive results, increasing the risk of misdiagnosis.
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September 2025
Graduate College in Veterinary Sciences, Federal University of Paraná (UFPR), Curitiba, Brazil.
, the causative agent of Q fever, a zoonotic pathogen with primarily airborne transmission and diverse host species, have been reported in serosurveys of vulnerable populations worldwide. Although vulnerable populations from oceanic islands and mainland seashore areas in Brazil may be also exposed , no study to date has concomitantly assessed owners and dogs in such environmental setting. Accordingly, the present study aimed to assess the seroprevalence in owners and their dogs from oceanic islands and mainland seashore areas of southern Brazil.
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