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A minority of seropositive wild bank voles (Clethrionomys glareolus) show evidence of current Puumala virus infection
Umeå University, Faculty of Medicine, Department of Clinical Microbiology, Virology.
Umeå University, Faculty of Medicine, Department of Clinical Microbiology, Infectious Diseases. (Clas Ahlm)
Umeå University, Faculty of Medicine, Department of Clinical Microbiology, Virology.
Skoglig Zooekologi, SLU, Umeå.
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1998 (English)In: Epidemiology and Infection, ISSN 0950-2688, E-ISSN 1469-4409, Vol. 121, no 2, 419-425 p.Article in journal (Refereed) Published
Abstract [en]

Bank voles (Clethrionomys glareolus) serve as the reservoir for Puumala (PUU) virus, the aetiologic agent of nephropathia epidemica. The animals are believed to be persistently infected and the occurrence of serum antibodies is usually taken as an evidence of active infection. We found serum antibodies to PUU virus in 42 of 299 wild bank voles captured in a PUU virus endemic area. PUU virus RNA was demonstrated in lung specimens of 11 of these 42 animals and in 2 of them antigen was also found. Thus in the lungs of 31 of 42 seropositive animals neither PUU virus RNA nor antigen was detected. In 2 of 257 seronegative animals, lung specimens showed presence of PUU virus antigen and RNA. Isolation of PUU virus from lung tissue was successful in all 4 antigen-positive bank voles but in none of 16 tested antigen-negative animals. In conclusion, only a minority of bank voles with serum antibodies to PUU virus showed evidence of current infection.

Place, publisher, year, edition, pages
1998. Vol. 121, no 2, 419-425 p.
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URN: urn:nbn:se:umu:diva-42766PubMedID: 9825795OAI: oai:DiVA.org:umu-42766DiVA: diva2:410333
Available from: 2011-04-13 Created: 2011-04-13 Last updated: 2017-12-11Bibliographically approved

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Alexeyev, Oleg AAhlm, ClasElgh, FredrikTärnvik, ArneWadell, GöranJuto, Per
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