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We report the case of a traveler who returned from Zambia and was diagnosed with Mediterranean spotted fever (MSF), an infectious disease caused by Rickettsia conorii conorii. The patient presented to Sapporo City General Hospital with symptoms of fever, malaise, headache, and rash. The pathogen was identified by Polymerase Chain Reaction assays and subsequent analyses. The patient improved with 10-day treatment of oral doxycycline. Although some cases of MSF have been reported in sub-Saharan Africa, none have been reported in Zambia. Rhipicephalus sanguineus sensu lato, the vector of the Rickettsia conorii conorii, has been found in various areas of Zambia. Our case report highlights the potential threat of Mediterranean spotted fever in urban areas of Zambia.
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http://dx.doi.org/10.1016/j.ttbdis.2024.102347 | DOI Listing |
Front Microbiol
August 2025
Laboratory of Microbiology, National School of Veterinary Medicine of Sidi Thabet, University of Manouba, Manouba, Tunisia.
Introduction: Ticks and their associated spotted fever group (SFGR) represent an emerging zoonotic risk in Tunisia, where data on tick species distribution and pathogen prevalence remain limited. This study specifically aimed to investigate the diversity and phylogeny of and tick species and to identify and genetically characterize their associated SFGR species in northwestern Tunisia.
Methods: Tick sampling was conducted over a five-month period, from November 2022 to March 2023, in the Jouza district, Beja Governorate, northern Tunisia.
J Neurol
August 2025
Department of Microbiology and Immunology, Renaissance School of Medicine, Stony Brook University, Stony Brook, USA, New York.
Diseases transmitted by ticks have been increasing in frequency and distribution, partly due to climate change. In the last decades, new tick-borne pathogens have been discovered that cause prominent neurologic disease. In this review, the impacts created by these discoveries insofar as nervous system involvement will be addressed.
View Article and Find Full Text PDFFront Microbiol
July 2025
Department of Biotechnology and Systems Biology, National Institute of Biology, Ljubljana, Slovenia.
Tomato spotted wilt orthotospovirus (TSWV) is a major plant pathogen causing significant economic losses in tomato production worldwide. Understanding its genetic diversity and evolutionary mechanisms is crucial for effective disease management. This study analyzed TSWV isolates from symptomatic tomato plants collected across Croatia, Montenegro and Slovenia between 2020 and 2024.
View Article and Find Full Text PDFInsects
July 2025
International Centre for Advanced Mediterranean Agronomic Studies of Bari (CIHEAM Bari), 70010 Valenzano, BA, Italy.
The spotted wing drosophila, is an injurious polyphagous pest threatening worldwide soft fruit production. Its high adaptability to new colonized environments, short life cycle, and wide host range are supporting its rapid spread. The most common techniques to reduce its significant economic damage are based on multiple insecticides applications per season, even prior to the harvest, which reduces agroecosystem biodiversity and affects human and animal health.
View Article and Find Full Text PDFTrans R Soc Trop Med Hyg
July 2025
Department of Internal Medicine, Post Graduate Institute of Medical Education and Research, Chandigarh 160012, India.
Haemophagocytic lymphohistiocytosis (HLH) is a rare complication of rickettsial infections. We report a 50-y-old man from northern India who presented with fever, respiratory distress, altered sensorium and an eschar. Despite treatment with doxycycline, his condition deteriorated with multi-organ dysfunction.
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