["Constanze": a trinational project on avian influenza in wild birds at Lake Constance]

Brunhart, I.; Baumer, A.; Reist, M.; Stark, K.; Griot, C. (2010). ["Constanze": a trinational project on avian influenza in wild birds at Lake Constance]. Schweizer Archiv für Tierheilkunde, 152(11), pp. 507-13. Bern: Huber 10.1024/0036-7281/a000116

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When highly pathogenic avian influenza H5N1 (HPAI H5N1) arrived at Lake Constance in February 2006, little was known about its ecology and epidemiology in wild birds. In order to prevent virus transmission from wild birds to poultry, the adjacent countries initiated the tri-national, interdisciplinary research program <<Constanze>> to investigate avian influenza infections in water birds at Lake Constance. In collaboration with government agencies scientists examined the prevalence of AI virus in the region of Lake Constance for a period of 33 months, compared the effectiveness of different surveillance methods and analysed the migration behaviour of water birds. Although virus introduction from regions as far as the Ural Mountains seemed possible based on the migration behaviour of certain species, no influenza A viruses of the highly pathogenic subtype H5N1 (HPAIV) was found. However, influenza A viruses of different low pathogenic subtypes were isolated in 2.2 % of the sampled birds (swabs). Of the different surveillance methods utilised in the program the sampling of so called sentinel birds was particularly efficient.

Item Type:

Journal Article (Original Article)


05 Veterinary Medicine > Department of Clinical Research and Veterinary Public Health (DCR-VPH) > Veterinary Public Health Institute

UniBE Contributor:

Reist, Martin








Factscience Import

Date Deposited:

04 Oct 2013 14:36

Last Modified:

05 Dec 2022 14:11

Publisher DOI:


Web of Science ID:



https://boris.unibe.ch/id/eprint/14367 (FactScience: 221330)

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