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Prevalence and phylogeny of coronaviruses in wild birds from the Bering Strait area (Beringia)
Uppsala University ; Swedish University of Agricultural Sciences.
Swedish University of Agricultural Sciences ; National Veterinary Institute.
Karolinska Institutet ; Swedish Institute for Infectious Disease Control.
Linnaeus University, Faculty of Science and Engineering, School of Natural Sciences. Swedish Institute for Infectious Disease Control. (Zoonotic Ecology and Epidemiology)ORCID iD: 0000-0002-1152-4235
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2010 (English)In: PLoS ONE, ISSN 1932-6203, E-ISSN 1932-6203, Vol. 5, no 10, article id e13640Article in journal (Refereed) Published
Abstract [en]

Coronaviruses (CoVs) can cause mild to severe disease in humans and animals, their host range and environmental spread seem to have been largely underestimated, and they are currently being investigated for their potential medical relevance. Infectious bronchitis virus (IBV) belongs to gamma-coronaviruses and causes a costly respiratory viral disease in chickens. The role of wild birds in the epidemiology of IBV is poorly understood. In the present study, we examined 1,002 cloacal and faecal samples collected from 26 wild bird species in the Beringia area for the presence of CoVs, and then we performed statistical and phylogenetic analyses. We detected diverse CoVs by RT-PCR in wild birds in the Beringia area. Sequence analysis showed that the detected viruses are gamma-coronaviruses related to IBV. These findings suggest that wild birds are able to carry gamma-coronaviruses asymptomatically. We concluded that CoVs are widespread among wild birds in Beringia, and their geographic spread and frequency is higher than previously realised. Thus, Avian CoV can be efficiently disseminated over large distances and could be a genetic reservoir for future emerging pathogenic CoVs. Considering the great animal health and economic impact of IBV as well as the recent emergence of novel coronaviruses such as SARS-coronavirus, it is important to investigate the role of wildlife reservoirs in CoV infection biology and epidemiology.

Place, publisher, year, edition, pages
2010. Vol. 5, no 10, article id e13640
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Other Basic Medicine Microbiology
Research subject
Biomedical Sciences, Virology
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URN: urn:nbn:se:lnu:diva-16658DOI: 10.1371/journal.pone.0013640PubMedID: 21060827Scopus ID: 2-s2.0-78149454326OAI: oai:DiVA.org:lnu-16658DiVA, id: diva2:474158
Available from: 2012-01-09 Created: 2012-01-09 Last updated: 2018-01-12Bibliographically approved

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Waldenström, JonasOlsen, Björn

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