Versuch der tilgung eines naturherdes der tularämie und der leptospirose

Kmety, E; Gurycová, D; Jareková, J.; Rehácek, J

doi:10.1016/s0176-6724(87)80038-x

Cited by 2 publications

(2 citation statements)

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“…pathogens were studied and confirmed (e.g. Řeháček et al 1970;Guryčová and Letkovský 1973;Řeháček et al 1976;Guryčová et al 1982;Kožuch et al 1987;Kmety et al 1987;Guryčová and Výrosteková 1989;Kmety et al 1990;Výrosteková et al 1991;Prokopčáková et al 1992;Kocianová et al 1993;Drgoňová and Řeháček 1995;Guryčová et al 1995;Gern et al 1999;Špitalská and Kocianová 2002;Špitalska et al 2002;Smetanová et al 2006;Blaňarová et al 2016). Results of the most important tick-related research in former Czechoslovakia (i.e.…”

Section: Brief History Of Tick Researchmentioning

confidence: 93%

“…The experimentally proven transstadial transmission of F. tularensis strains in I. ricinus confirms this hypothesis (Výrosteková 1993;Výrosteková 1994). Several species of fleas and mites also significantly contribute to the persistence of tularaemia among small mammals and the circulation of the pathogen in a focus (Kmety et al 1987;Guryčová and Výrosteková 1989;Guryčová 1998). In submountain areas, I. trianguliceps probably plays a role of reservoir and vector of tularaemia agents among small mammals (Guryčová and Letkovský 1973;Guryčová and Výrosteková 1989).…”

Section: Francisella Tularensismentioning

confidence: 99%

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Ticks and their epidemiological role in Slovakia: from the past till present

et al. 2021

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In Slovakia, 22 tick species have been found to occur to date. Among them, Ixodes ricinus, Dermacentor reticulatus, D. marginatus and marginally Haemaphysalis concinna, H. inermis and H. punctata have been identified as the species of public health relevance. Ticks in Slovakia were found to harbour and transmit zoonotic and/or potentially zoonotic agents such as tickborne encephalitis virus (TBEV), spirochaetes of the Borrelia burgdorferi sensu lato (s.l.) complex, the relapsing fever sprirochaete Borrelia miyamotoi, bacteria belonging to the orders Rickettsiales (Rickettsia spp., Anaplasma phagocytophilum, Neoehrlichia mikurensis), Legionellales (Coxiella burnetii), and Thiotrichales (Francisella tularensis), and Babesia spp. parasites (order Piroplasmida). Ixodes ricinus is the principal vector of the largest variety of microorganisms including viruses, bacteria and piroplasms. TBEV, B. burgdorferi s.l., rickettsiae of the spotted fever group, C. burnetii and F. tularensis have been found to cause serious diseases in humans, whereas B. miyamotoi, A. phagocytophilum, N. mikurensis, Babesia microti, and B. venatorum pose lower or potential risk to humans. Distribution of TBEV has a focal character. During the last few decades, new tick-borne encephalitis (TBE) foci and their spread to new areas have been registered and TBE incidence rates have increased. Moreover, Slovakia reports the highest rates of alimentary TBE infections among the European countries. Lyme borreliosis (LB) spirochaetes are spread throughout the distribution range of I. ricinus. Incidence rates of LB have shown a slightly increasing trend since 2010. Only a few sporadic cases of human rickettsiosis, anaplasmosis and babesiosis have been confirmed thus far in Slovakia. The latest large outbreaks of Q fever and tularaemia were recorded in 1993 and 1967, respectively. Since then, a few human cases of Q fever have been reported almost each year. Changes in the epidemiological characteristics and clinical forms of tularaemia have been observed during the last few decades. Global changes and development of modern molecular tools led to the discovery and identification of emerging or new tick-borne microorganisms and symbionts with unknown zoonotic potential. In this review, we provide a historical overview of research on ticks and tick-borne pathogens in Slovakia with the most important milestones and recent findings, and outline future directions in the investigation of ticks as ectoparasites and vectors of zoonotic agents and in the study of tick-borne diseases.Keywords Tick-borne pathogens . Tick-borne encephalitis virus . Borrelia . Anaplasma . Rickettsia . Coxiella burnetii . Francisella tularensis . Babesia

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Section: Brief History Of Tick Researchmentioning

confidence: 93%

Section: Francisella Tularensismentioning

confidence: 99%

Ticks and their epidemiological role in Slovakia: from the past till present

et al. 2021

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Prevalence of ticks infected withFrancisella tularensis in natural foci of tularemia in western Slovakia

et al. 1995

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The prevalence of ticks infected with F. tularensis was followed during a systematic surveillance in endemic area of tularemia in western Slovakia over the years 1984-93. Ticks were collected from vegetation in localities of Podunajské Biskupice, in the vicinity of the capital of Slovakia, Bratislava, near the river Danube. In total 6033 ticks, mostly adults of Dermacentor reticulatus and Ixodes ricinus (4994 and 1004, respectively) and 35 nymphs of Haemaphysalis concinna, were examined for the presence of F. tularensis. Out of 4542 starving ticks, 34 F. tularensis strains were isolated predominantly from D. reticulatus (30), and to a smaller extent also from I. ricinus (3) and H. concinna (1). Natural infection with F. tularensis was further proved from 1491 adults of D. reticulatus fed on laboratory animals, rabbits and white mice, together in 27 cases. From that, 21 times it was by positive isolation either from suspensions of partly or fully engorged ticks and their feaces, or from spleens of animals dead after the feeding of ticks. In addition, solely the development of antibodies against the agent was confirmed in 6 rabbit hosts. The presence of F. tularensis in all the above mentioned tick species and namely the relatively high and permanent infestation of D. reticulatus adults, ranging between 0.5-2% during the followed time period, demonstrated the maintenance of active natural focus of tularemia in the area under study. The present paper also emphasizes the epidemiologic consequence of various species of ticks in endemic foci of tularemia and the aspect of possible ways of transmission of the agent to humans.

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Versuch der tilgung eines naturherdes der tularämie und der leptospirose

Cited by 2 publications

References 3 publications

Ticks and their epidemiological role in Slovakia: from the past till present

Ticks and their epidemiological role in Slovakia: from the past till present

Prevalence of ticks infected withFrancisella tularensis in natural foci of tularemia in western Slovakia

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