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Volume 10, Number 12—December 2004


H3N2 Influenza Virus Transmission from Swine to Turkeys, United States

Young K. Choi*, Jee H. Lee†, Gene Erickson‡, Sagar M. Goyal†, Han S. Joo†, Robert G. Webster§, and Richard J. Webby§Comments to Author 
Author affiliations: *Chungbuk National University, Cheongju, Republic of Korea; †University of Minnesota, St. Paul, Minnesota, USA; ‡North Carolina Department of Agriculture and Consumer Services, Raleigh, North Carolina, USA; §St. Jude Children’s Research Hospital, Memphis, Tennessee, USA

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Table 2

Type A influenza viruses with the highest nucleotide sequence identity to the turkey isolates

Gene Nucleotide sequence identity (%) Virusa Subtype Reference
HA 97.6 A/swine/NC/29974/02 H3N2 This report
NA 98 A/swine/NC/29974/02 H3N2 This report
PB2 98 A/swine/OH/891/01 H1N2 (11)
PB1 98 A/swine/MN/593/99 H3N2 (7)
PA 97 A/swine/NE/209/98 H3N2 (7)
NP 98 A/swine/OH/891/01 H1N2 (11)
M 98 A/swine/MN/34893/01 H1N2 (10)
NS 99 A/swine/IN/14810-T/01 H1N2 (10)

aNamed with standard abbreviations of states in the United States.

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