Swine Influenza Virus A (H3N2) Infection in Human, Kansas, USA, 2009
Chad M. Cox , Daniel Neises, Rebecca J. Garten, Bill Bryant, Richard A. Hesse, Gary A. Anderson, Ingrid Trevino-Garrison, Bo Shu, Stephen Lindstrom, Alexander I. Klimov, and Lyn Finelli
Author affiliations: Author affiliations: Centers for Disease Control and Prevention, Atlanta, Georgia, USA (C.M. Cox, R.J. Garten, B. Shu, S. Lindstrom, A.I. Klimov, L. Finelli); Kansas Department of Health and Environment, Topeka, Kansas, USA (D. Neises, I. Trevino-Garrison); Kansas Animal Health Department, Topeka (B. Bryant); Kansas State Veterinary Diagnostic Laboratory, Manhattan, Kansas, USA (R.A. Hesse, G.A. Anderson)
Appendix. Figure. Phylogenetic tree of the hemagglutinin (HA) gene segment of influenza A (H3) viruses created by using the neighbor-joining method, nucleotide model of Kimura-2 parameters, in MEGA version 4 (10). In addition, a subset of H3 HA gene sequences available in the public domain was included in the analyses for comparison. Red, A/Kansas/13/2009 (H3N2); green, human (H3N2) viruses; black, animal (H3N2) viruses; blue, human cases of swine (H3N2) viruses.
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