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Sökning: L773:1080 6040 OR L773:1080 6059 > Garpmo Ulf

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1.
  • Bunikis, Jonas, et al. (författare)
  • Typing of Borrelia relapsing fever group strains.
  • 2004
  • Ingår i: Emerging Infectious Diseases. - 1080-6040 .- 1080-6059. ; 10:9, s. 1661-1664
  • Tidskriftsartikel (refereegranskat)abstract
    • Partial sequencing of the 16S-23S rDNA intergenic spacer showed two to four genotypes each for Borrelia hermsii and B. turicatae, both relapsing fever agents transmitted by argasid ticks, and for B. miyamotoi and B. lonestari, transmitted by ixodid ticks. Field surveys of Ixodes ticks in Connecticut and Sweden showed limited local diversity for B. miyamotoi.
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3.
  • Waldenström, Jonas, et al. (författare)
  • Migrating birds and tickborne encephalitis virus
  • 2007
  • Ingår i: Emerging Infectious Diseases. - : Centers for Disease Control and Prevention (CDC). - 1080-6040 .- 1080-6059. ; 13:8, s. 1215-8
  • Tidskriftsartikel (refereegranskat)abstract
    • During spring and autumn 2001, we screened 13,260 migrating birds at Ottenby Bird Observatory, Sweden, and found 3.4% were infested with ticks. Four birds, each a different passerine species, carried tickborne encephalitis virus (TBEV)-infected ticks (Ixodes ricinus). Migrating birds may play a role in the geographic dispersal of TBEV-infected ticks.
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4.
  • Comstedt, Pär, et al. (författare)
  • Migratory passerine birds as reservoirs of Lyme borreliosis in Europe.
  • 2006
  • Ingår i: Emerging Infectious Diseases. - 1080-6040. ; 12, s. 1087-1095
  • Tidskriftsartikel (refereegranskat)abstract
    • To define the role of birds as reservoirs and disseminators of Borrelia spirochetes, we characterized tick infestation and reservoir competence of migratory passerine birds in Sweden. A total of 1,120 immature Ixodes ricinus ticks were removed from 13,260 birds and assayed by quantitative polymerase chain reaction (PCR) for Borrelia, followed by DNA sequencing for species and genotype identification. Distributions of ticks on birds were aggregated, presumably because of varying encounters with ticks along migratory routes. Lyme borreliosis spirochetes were detected in 160 (1.4%) ticks. Borrelia garinii was the most common species in PCR-positive samples and included genotypes associated with human infections. Infestation prevalence with infected ticks was 5 times greater among ground-foraging birds than other bird species, but the 2 groups were equally competent in transmitting Borrelia. Migratory passerine birds host epidemiologically important vector ticks and Borrelia species and vary in effectiveness as reservoirs on the basis of their feeding behavior.
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  • Resultat 1-4 av 4

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