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This is a study of people living in Aland, a group of islands in the Baltic Sea between Finland and Sweden. 500 blood donors and 3,248 health service clients who did not have Lyme borreliosis were examined for Borrelia burgdorferi IgG antibodies. The method used was an ELISA containing a selection of diagnostic antigens to a Borrelia burgdorferi PKo strain.(More)
The risk of contracting human granulocytic anaplasmosis (HGA) after a tick bite is mainly unknown. In this study we investigated the clinical and serological response in 30 humans bitten by ticks positive for Anaplasma phagocytophilum (Group A), 30 humans bitten by Borrelia burgdorferi sensu lato (s.l.)-positive ticks (Group B), and 30 humans bitten by(More)
Despite rather strict recommendations for antibiotic treatment of disseminated Lyme borreliosis (LB), evidence-based studies on the duration of antibiotic treatment are scarce. The aim of this multicenter study was to determine whether initial treatment with intravenous ceftriaxone (CRO) for 3 weeks should be extended with a period of adjunct oral(More)
The common tick Ixodes ricinus is the main vector in Europe of the tick-borne encephalitis virus and of several species of the Borrelia burgdorferi sensu lato complex, which are the etiological agents of Lyme borreliosis. The risk to contract bites of I. ricinus is dependent on many factors including the behaviour of both ticks and people. The tick’s site(More)
Erythema migrans is the most common manifestation of stage I Lyme borreliosis. This study investigated the relation between the subspecies of Borrelia burgdorferi involved, the time of development and the appearance of the manifestation. The study comprised 33 cases of erythema migrans yielding B. burgdorferi sensu lato by culture of skin biopsy. The(More)
A strong initial inflammatory response is important in neuroborreliosis. Since complement is a main player in early inflammation, we monitored the concentration and activation of complement in plasma and cerebrospinal fluid from 298 patients, of whom 23 were diagnosed with neuroborreliosis. Using sandwich ELISAs, we found significantly elevated levels of(More)
Population isolates are increasingly being used in attempts to map genes underlying complex diseases. To further explore the utility of isolates for this purpose, we explore linkage disequilibrium patterns in polymorphisms from two regions (VWF and NF1) in three isolated populations from Finland. At the NF1 locus, the Finnish populations have greater(More)
OBJECTIVES The risk of developing Lyme borreliosis (LB) from Borrelia burgdorferi sensu lato (Bb)-infected ticks in Sweden is largely unknown. In the current study, we investigated the prevalence of Bb in ticks that had bitten humans and the risk of developing LB from Bb-infected ticks. METHODS Health questionnaires, blood samples, and ticks were(More)
20 coagulation parameters were investigated in 144 patients with different liver diseases. The groups of acute hepatitis, chronic active hepatitis and liver cirrhosis were compared and the prognostic value of the coagulation analyses investigated. It is clear that the determination of the factor V activity is a good and easy test for detection of actual(More)
The aim of this study was to develop a treatment for late Lyme borreliosis and to compare the clinical results with serological findings before and after treatment. It was done in the Aland Islands (population 25,000), a region endemic for Lyme borreliosis. The patients were the first consecutive 100 patients from the Aland Islands with late Lyme(More)