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Low risk of serocon...
Low risk of seroconversion or clinical disease in humans after a bite by an Anaplasma phagocytophilum-infected tick
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- Henningsson, Anna (författare)
- Ryhov County Hospital, Jönköping
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- Wilhelmsson, Peter (författare)
- Linköpings universitet,Avdelningen för mikrobiologi och molekylär medicin,Medicinska fakulteten
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- Gyllemark, Paula (författare)
- Ryhov County Hospital, Jönköping
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- Kozak Ljunggren, Monika (författare)
- Linköpings universitet,Medicinska fakulteten,Avdelningen för cellbiologi
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- Matussek, Andreas (författare)
- Ryhov County Hospital, Jönköping
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- Nyman, Dag (författare)
- Ryhov County Hospital, Jönköping
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- Ekerfelt, Christina (författare)
- Bimelix Biomedical Laboratory, Mariehamn, Åland, Finland
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- Lindgren, Per-Eric (författare)
- Linköpings universitet,Avdelningen för mikrobiologi och molekylär medicin,Medicinska fakulteten,Ryhov County Hospital, Jönköping
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- Forsberg, Pia (författare)
- Linköpings universitet,Medicinska fakulteten,Avdelningen för mikrobiologi och molekylär medicin,Region Östergötland, Infektionskliniken i Östergötland
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(creator_code:org_t)
- Elsevier, 2015
- 2015
- Engelska.
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Ingår i: Ticks and Tick-borne Diseases. - : Elsevier. - 1877-959X .- 1877-9603. ; 6:6, s. 787-792
- Relaterad länk:
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https://liu.diva-por... (primary) (Raw object)
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- 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 ticks negative for both A. phagocytophilum and B. burgdorferi s.l. (Group C). Ticks, blood samples and questionnaires were collected from tick-bitten humans at 34 primary healthcare centres in Sweden and in the Åland Islands, Finland, at the time of the tick bite and after three months. A total of 2553 ticks detached from humans in 2007-2009 were analyzed by polymerase chain reaction, and 31 (1.2%) were positive for A. phagocytophilum, 556 (21.8%) were positive for B. burgdorferi s.l., and eight (0.3%) were co-infected by A. phagocytophilum and B. burgdorferi s.l. The overall prevalence of Anaplasma IgG antibodies in the included participants (n=90) was 17%, and there was no significant difference between the groups A-C. Only one of the participants (in Group C) showed a four-fold increase of IgG antibodies against A. phagocytophilum at the three-month follow-up, but reported no symptoms. The frequency of reported symptoms did not differ between groups A-C, and was unrelated to the findings of A. phagocytophilum and B. burgdorferi s.l. in the detached ticks. We conclude that the risk for HGA or asymptomatic seroconversion after a tick bite in Sweden or in the Åland Islands is low, even if the tick is infected by A. phagocytophilum.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Mikrobiologi inom det medicinska området (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Microbiology in the medical area (hsv//eng)
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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