The prevalence of spirochete Borrelia burgdorferi sensu lato in ticks Ixodesricinus and mosquitoes Aedes spp. within a selected recreational area in the city of Szczecin.

Danuta Kosik-Bogacka 1, Wanda Kuźna-Grygiel 2, Katarzyna Bukowska 2
1 - Department of Biology and Medical Parasitology, Pomeranian Medical University, 70-111 Szczecin, Al. Powstánców Wielkopolskich 72, Poland.
2 -
Ann Agric Environ Med
2004; 11 (1):
ICID: 142681
The aim of this study was to determine the prevalence of spirochete Borreliaburgdorferi s.l. in ticks Ixodes ricinus and mosquitoes Aedes spp. within the Bukowa Forest, collectedbetween 2000 and 2001. The study covered 215 ticks (193 nymphs and 22 adults) and 947 mosquitoes femaleof the genus Aedes. Spirochetes of Borrelia burgdorferi s.l. were detected in the arthropods studiedwith the method of indirect immunofluorescence assay (IFA). Positive readings of the immunological reactionwere stated in 17.7 % of the collected nymphs and adult forms of Ixodes ricinus, and in 0.8 % of mosquitofemales of the genus Aedes. The number of B. burgdorferi observed in a view field (400 x) of microscopicpreparations of all infected mosquitoes and about 10 % of the infected ticks, ranged from 1-10. Thisnumber in 50 % of the nymphs was from 11-50 spirochetes. View fields of the preparations of the other50 % of nymphs and adult forms featured more then 50 spirochetes. The observed low values of the prevalenceand infection intensity of female mosquitoes Aedes spp. compared to ticks suggest that the former donot pose a serious epidemiological threat in the spreading of Lyme disease.
PMID 15236506 - click here to show this article in PubMed

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