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Selected Publication:

Type of publication: Journal Article
Type of document: Full Paper

Year: 2009

Authors: Harder, TC; Teuffert, J; Starick, E; Gethmann, J; Grund, C; Fereidouni, S; Durban, M; Bogner, KH; Neubauer-Juric, A; Repper, R; Hlinak, A; Engelhardt, A; Nöckler, A; Smietanka, K; Minta, Z; Kramer, M; Globig, A; Mettenleiter, TC; Conraths, FJ; Beer, M

Title: Highly pathogenic avian influenza virus (H5N1) in frozen duck carcasses, Germany, 2007.

Source: Emerg Infect Dis. 2009; 15(2):272-279



Authors Vetmeduni Vienna:

Fereidouni Sasan


Abstract:
We conducted phylogenetic and epidemiologic analyses to determine sources of outbreaks of highly pathogenic avian influenza virus (HPAIV), subtype H5N1, in poultry holdings in 2007 in Germany, and a suspected incursion of HPAIV into the food chain through contaminated deep-frozen duck carcasses. In summer 2007, HPAIV (H5N1) outbreaks in 3 poultry holdings in Germany were temporally, spatially, and phylogenetically linked to outbreaks in wild aquatic birds. Detection of HPAIV (H5N1) in frozen duck carcass samples of retained slaughter batches of 1 farm indicated that silent infection had occurred for some time before the incidental detection. Phylogenetic analysis established a direct epidemiologic link between HPAIV isolated from duck meat and strains isolated from 3 further outbreaks in December 2007 in backyard chickens that had access to uncooked offal from commercial deep-frozen duck carcasses. Measures that will prevent such undetected introduction of HPAIV (H5N1) into the food chain are urgently required.

Keywords Pubmed: Abattoirs*
Animals
Antibodies, Viral/blood
Disease Outbreaks*
Ducks/virology*
Freezing
Germany/epidemiology
Immunoenzyme Techniques/methods
Influenza A Virus, H5N1 Subtype*/genetics
Influenza A Virus, H5N1 Subtype*/immunology
Influenza A Virus, H5N1 Subtype*/isolation & purification
Influenza A Virus, H5N1 Subtype*/pathogenicity
Influenza in Birds/epidemiology*
Influenza in Birds/virology
Meat/virology*
Phylogeny
Poultry/virology*
Poultry Diseases/epidemiology
Poultry Diseases/virology


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