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Surveillance of Influenza Virus A in Migratory Waterfowl in Northern Europe
We conducted large-scale, systematic sampling of influenza type A virus in migratory waterfowl (mostly mallards [Anas platyrhynchos]) at Ottenby Bird Observatory, southeast Sweden. As with previous studies, we found a higher prevalence in fall than spring, and among juveniles compared with adults. H...
Autores principales: | , , , , , , , , , , , , , |
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Formato: | Texto |
Lenguaje: | English |
Publicado: |
Centers for Disease Control and Prevention
2007
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2725893/ https://www.ncbi.nlm.nih.gov/pubmed/17552093 http://dx.doi.org/10.3201/eid1303.061130 |