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Study on the occurrence of Borrelia burgdorferi sensu lato and tick-borne encephalitis virus (TBEV) in ticks collected in Lublin region (eastern Poland).
Ann. Agric. Environ. Med. 2002: 9 (1) s.105-110, il., tab., bibliogr. 35 poz.
Hasła klasyfikacyjne GBL:
In 114 Ixodes ricinus ticks from 1 district of Lublin region (eastern Poland) exmine by dark field microscopy method, the presence of motile spirochetes, morphologically corresponding to Borrelia species was detected in 8.8 p.c. of the total examined ticks. The highest infection rate was noted among females (16.7 p.c.), much lower in males (7.1 p.c.) and nymphs (4.0 p.c.). Examination of 550 ticks collected from 3 districts of the Lublin region by polymearse chain reaction (PCR) showed that 5.3 p.c. of the total number of ticks were infected with Borrelia spirochetes. The highest rates of Borrelia infection were observed in Ixodes ricinus ticks from the Zamość and Lublin districts (9.6 p.c. and 4.7 p.c. respectively). In the Włodawa district, only 2.4 p.c. ticks showed the presence of Borrelia DNA. In contrast to the results obtained by dark field microscopy method, the highest infection rate was noted in males (11.2 p.c.), followed by females (6.9 p.c.) and nymphs (1.7 p.c.). 57 Ixodes ricinus ticks collected from 3 Lublin districts (Lubartów, Lublin, Radzyń Podlaski) were tested for the presence of tick-borne encephalitis virus (TBEV) by the inoculation of 5-week-old Swiss mice, followed by blind passages and inoculation of GMK cell culture with brain suspension of the infected mice. On strain of TBEV was isolated from a pool of 24 I. ricinus ticks collected from the Radzyń Podlaski district. The minimum infection rate of ticks from this district with TBEV was estimated as 4.2 p.c, and in the total area of Lublin region estiamted as 1.8 p.c.
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