Influenza A Subtype H3 Viruses in Feral Swine, United States, 2011–2012
Zhixin Feng, John A. Baroch, Li-Ping Long, Yifei Xu, Frederick L. Cunningham, Kerri Pedersen, Mark W. Lutman, Brandon S. Schmit, Andrew S. Bowman, Thomas J. DeLiberto, and Xiu-Feng Wan
Author affiliations: Mississippi State University, Mississippi State, Mississippi, USA (Z. Feng, L.-P. Long, Y. Xu, X.-F. Wan); Jiangsu Academy of Agricultural Sciences, Nanjing, China (Z. Feng); Animal and Plant Health Inspection Service of the US Department of Agriculture, Fort Collins, Colorado, USA (J.A. Baroch, K. Pedersen, M.W. Lutman, B.S. Schmit, T.J. DeLiberto); Animal and Plant Health Inspection Service of the US Department of Agriculture, Mississippi State (F.L. Cunningham); The Ohio State University, Columbus, Ohio, USA (A.S. Bowman)
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Figure 1
Figure 1. Geographic distributions of seum samples from feral swine, United States, 2011–2012A) Of 1,989 samples tested by ELISA, 182 were positive (red) and 1,807 were negative (blue)B) The 76 samples (blue) were selected for hemagglutination-inhibition and microneutralization subtypingC) The distributions of feral swine (green) and domestic swine (orange) were also marked (A and C).
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