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Occurrence of Hsw1N1 subtype influenza A viruses in wild ducks in Europe

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Summary

Two identical strains of influenza A viruses antigenically related to swine influenza (Hsw1N1) have been isolated from adult mallard ducks(Anas platyrhynchos) in Southern Germany. They were designated A/Duck/Bavaria/1/77 and A/Duck/Bavaria/2/77. Serologic tests revealed a close antigenic relationship to the strain A/Duck/Alberta/35/76.

Experimental infections of piglets with strain A/Duck/Bavaria/1/77 demonstrated the susceptibility of swine to this virus strain. The virus was isolated from nasal swabs of infected piglets up to 8 days p. inf. and from contact animals up to 9 days. No seroconversion was detected during an observation period of 30 days.

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Authors and Affiliations

  1. Institute of Medical Microbiology, Infectious and Epidemic Medicine, Veterinary Faculty, University of Munich, Munich, Federal Republic of Germany

    K. Ottis & P. A. Bachmann

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  1. K. Ottis
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  2. P. A. Bachmann
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Ottis, K., Bachmann, P.A. Occurrence of Hsw1N1 subtype influenza A viruses in wild ducks in Europe. Archives of Virology 63, 185–190 (1980). https://doi.org/10.1007/BF01315025

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  • DOI: https://doi.org/10.1007/BF01315025

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