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Träfflista för sökning "WFRF:(Mejlon Hans) srt2:(1992-1994)"

Sökning: WFRF:(Mejlon Hans) > (1992-1994)

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1.
  • Bergström, Sven, et al. (författare)
  • Molecular characterization of Borrelia burgdorferi isolated from Ixodes ricinus in northern Sweden.
  • 1992
  • Ingår i: Scandinavian Journal of Infectious Diseases. - : Informa UK Limited. - 0036-5548 .- 1651-1980. ; 24:2, s. 181-188
  • Tidskriftsartikel (refereegranskat)abstract
    • Ixodes ricinus ticks, harbouring Borrelia burgdorferi, were found in an area in northern Sweden, not thought to be endemic for Lyme borreliosis. This investigation took place at Norrbyskär, an island situated in the Bothnian Gulf, 63 degrees 33'N/19 degrees 52'E. One of 42 nymphal and 8/43 adult I. ricinus ticks collected carried spirochetes as seen by phase contrast microscopy. Pure bacterial cultures were obtained from 2 of the ticks. Western blot analysis using species-specific monoclonal antibodies showed that the isolated spirochetes were B. burgdorferi. The identity of the isolated spirochetes was confirmed by DNA amplification using B. burgdorferi OspA and flagellin gene specific oligonucleotides as well as partial DNA sequencing of the respective OspA and flagellin genes. The 2 isolated spirochaete populations were different as shown by their protein profiles in sodium dodecyl sulphate polyacrylamide gels. Moreover, the demonstration of Lyme borreliosis in a patient from the island of Norrbyskär indicates the need for clinical consideration of this disease in northern Sweden.
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2.
  • Mejlon, Hans, et al. (författare)
  • Seasonal prevalence of Borrelia burgdorferi in Ixodes ricinus in different vegetation types in Sweden
  • 1993
  • Ingår i: Scandinavian Journal of Infectious Diseases. - : Informa UK Limited. - 0036-5548 .- 1651-1980. ; 25:4, s. 449-456
  • Tidskriftsartikel (refereegranskat)abstract
    • The aim of this investigation was to estimate the seasonal risk of contracting human Lyme disease in different vegetation types in southern Sweden. Host-seeking Ixodes ricinus ticks (Acari: Ixodidae) were collected with standardized methods during May-September 1988 and March-October 1989 at 10 different sampling sites. Tick abundance was greatest during May-June and August-September. Prevalence of Borrelia burgdorferi infection of the ticks was assessed by phase-contrast microscopy complemented by immunology. Spirochetal infection of tick larvae was not detected. The prevalence of infection among nymphal ticks differed significantly between years and between sampling sites. Infection prevalence was greater in adult females than in nymphs, but was similar in female and male ticks. Among all vegetation types studied, the greatest Lyme disease risk was deemed to be from I. ricinus nymphs during May and September in mixed forest vegetation.
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tidskriftsartikel (2)
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refereegranskat (2)
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Jaenson, Thomas G T (2)
Mejlon, Hans (2)
Olsen, Björn (1)
Gothefors, Leif (1)
Bergström, Sven (1)
Jonsson, Maria (1)
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Burman, Nils (1)
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