Evidence of spread of the emerging infectious disease, finch trichomonosis, by migrating birds

Lawson, Becki, Robinson, Robert A., Neimanis, Aleksija, Handeland, Kjell, Isomursu, Marja, Agren, Erik O., Hamnes, Inger S., Tyler, Kevin M. ORCID: https://orcid.org/0000-0002-0647-8158, Chantrey, Julian, Hughes, Laura A., Pennycott, Tom W., Simpson, Vic R., John, Shinto K., Peck, Kirsi M., Toms, Mike P., Bennett, Malcolm, Kirkwood, James K. and Cunningham, Andrew A. (2011) Evidence of spread of the emerging infectious disease, finch trichomonosis, by migrating birds. EcoHealth, 8 (2). pp. 143-153. ISSN 1612-9202

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Abstract

Finch trichomonosis emerged in Great Britain in 2005 and led to epidemic mortality and a significant population decline of greenfinches, Carduelis chloris and chaffinches, Fringilla coelebs, in the central and western counties of England and Wales in the autumn of 2006. In this article, we show continued epidemic spread of the disease with a pronounced shift in geographical distribution towards eastern England in 2007. This was followed by international spread to southern Fennoscandia where cases were confirmed at multiple sites in the summer of 2008. Sequence data of the ITS1/5.8S/ITS2 ribosomal region and part of the small subunit (SSU) rRNA gene showed no variation between the British and Fennoscandian parasite strains of Trichomonas gallinae. Epidemiological and historical ring return data support bird migration as a plausible mechanism for the observed pattern of disease spread, and suggest the chaffinch as the most likely primary vector. This finding is novel since, although intuitive, confirmed disease spread by migratory birds is very rare and, when it has been recognised, this has generally been for diseases caused by viral pathogens. We believe this to be the first documented case of the spread of a protozoal emerging infectious disease by migrating birds.

Item Type:	Article
Uncontrolled Keywords:	animals,animal migration,trichomonas infections,disease outbreaks,space-time clustering,great britain,base sequence,communicable diseases, emerging,bird diseases,finches,trichomonas,female,male,sdg 3 - good health and well-being ,/dk/atira/pure/sustainabledevelopmentgoals/good_health_and_well_being
Faculty \ School:	Faculty of Science > School of Biological Sciences Faculty of Medicine and Health Sciences > Norwich Medical School
UEA Research Groups:	Faculty of Medicine and Health Sciences > Research Groups > Gastroenterology and Gut Biology Faculty of Medicine and Health Sciences > Research Centres > Metabolic Health Faculty of Medicine and Health Sciences > Research Groups > Pathogen Biology Group
Depositing User:	Users 2731 not found.
Date Deposited:	04 Feb 2012 18:52
Last Modified:	24 Sep 2024 09:04
URI:	https://ueaeprints.uea.ac.uk/id/eprint/36851
DOI:	10.1007/s10393-011-0696-8

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