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| http://dx.doi.org/10.3201/eid2003.130935 | DOI Listing |
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Genetic diversity and prevalence of emerging Rickettsiales in Yunnan Province: a large-scale study.
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State Key Laboratory of Pathogen and Biosecurity, Academy of Military Medical Sciences, Beijing, 100071, PR China.
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- Rickettsial diseases are a global health threat, and this study focused on investigating various rickettsial organisms in Yunnan Province, China, from May 2011 to November 2020, examining small mammals, livestock, and ticks.
- Researchers collected 7,964 samples and found sixteen different rickettsial species, with a 14.72% prevalence overall; 11 of these species are known or potential pathogens for humans and livestock.
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College of Basic Medicine, Chengde Medical University, Chengde, Hebei, China.
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- In a study conducted in Guangxi Province from May to October 2019, scientists captured 192 wild rodents and analyzed their spleen samples for infections using advanced DNA detection techniques.
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Investigation of tick-borne bacterial microorganisms in Haemaphysalis ticks from Hebei, Shandong, and Qinghai provinces, China.
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March 2024
State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Changping District, Beijing City 102206, China. Electronic address:
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- This study investigated tick-borne microorganisms in various tick species collected from four cities in three provinces of China, focusing on Haemaphysalis longicornis and Haemaphysalis qinghaiensis.* -
- Researchers detected two Anaplasma species and a Coxiella species, with varying positive rates, while an Ehrlichia species was found in H. qinghaiensis, suggesting potential variants of known pathogens.* -
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Molecular detection of pathogens from ticks collected from dogs and cats at veterinary clinics in Finland.
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September 2023
Department of Veterinary Biosciences, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland.
Background: Ticks carry microbes, some of which are pathogenic for humans and animals. To assess this One Health challenge, 342 ticks were collected from pet dogs and cats at 10 veterinary clinics in Finland as part of the European project "Protect Our Future Too".
Methods: The tick species were identified, and ticks were screened with quantitative PCR (qPCR) for tick-borne pathogens, including Borrelia burgdorferi sensu lato, Borrelia miyamotoi, Ehrlichia canis, Anaplasma spp.
We report a confirmed case of Candidatus Neoehrlichia mikurensis infection in a woman in Spain who had a previous hematologic malignancy. Candidatus N. mikurensis infections should be especially suspected in immunocompromised patients who exhibit persistent fever and venous thrombosis, particularly if they live in environments where ticks are prevalent.
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