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Highly Pathogenic Avian Influenza A(H7N3) Virus in Poultry,United States, 2020 |
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| Authors: | Sungsu Youk Dong-Hun Lee Mary L. Killian Mary J. Pantin-Jackwood David E. Swayne Mia K. Torchetti |
| Affiliation: | Southeast Poultry Research Laboratory, US Department of Agriculture Agricultural Research Service, Athens, Georgia, USA (S. Youk, M. Pantin-Jackwood, D. Swayne);University of Connecticut, Storrs, Connecticut, USA (D.-H. Lee); US Department of Agriculture, Ames, Iowa, USA (M. Killian, M. Torchetti) |
| Abstract: | An outbreak of low-pathogenicity avian influenza A(H7N3) virus of North American wild bird lineage occurred on commercial turkey farms in North Carolina and South Carolina, USA, during March–April 2020. The virus mutated to the highly pathogenic form in 1 house on 1 farm via recombination with host 28S rRNA. |
| Keywords: | highly pathogenic avian influenza virus influenza A(H7N3) poultry phylogenetic analysis United States influenza viruses |