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Highly Pathogenic Avian Influenza A(H5N8) Virus Spread by Short- and Long-Range Transmission, France, 2016–17

Abstract : We detected 3 genotypes of highly pathogenic avian influenza A(H5N8) virus in France during winter 2016–17. Genotype A viruses caused dramatic economic losses in the domestic duck farm industry in southwestern France. Our phylogenetic analysis suggests that genotype A viruses formed 5 distinct geographic clusters in southwestern France. In some clusters, local secondary transmission might have been started by a single introduction. The intensity of the viral spread seems to correspond to the density of duck holdings in each production area. To avoid the introduction of disease into an unaffected area, it is crucial that authorities limit the movements of potentially infected birds.
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https://hal-anses.archives-ouvertes.fr/anses-03455139
Contributor : Françoise Duborgel Connect in order to contact the contributor
Submitted on : Monday, November 29, 2021 - 3:10:55 PM
Last modification on : Tuesday, November 30, 2021 - 3:42:53 AM

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Distributed under a Creative Commons Attribution 4.0 International License

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François-Xavier Briand, Eric Niqueux, Audrey Schmitz, Claire Martenot, Martine Cherbonnel, et al.. Highly Pathogenic Avian Influenza A(H5N8) Virus Spread by Short- and Long-Range Transmission, France, 2016–17. Emerging Infectious Diseases, Centers for Disease Control and Prevention, 2021, 27 (2), pp.508-516. ⟨10.3201/eid2702.202920⟩. ⟨anses-03455139⟩

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