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Volume 15, Number 9—September 2009
Dispatch

Highly Pathogenic Avian Influenza Virus A (H7N3) in Domestic Poultry, Saskatchewan, Canada, 2007

Yohannes Berhane, Tamiko Hisanaga, Helen Kehler, James Neufeld, Lisa Manning, Connie Argue, Katherine Handel, Kathleen Hooper-McGrevy, Marilyn Jonas, John Robinson, Robert G. Webster, and John PasickComments to Author 
Author affiliations: Canadian Food Inspection Agency, Winnipeg, Manitoba, Canada (Y. Berhane, T. Hisanaga, H. Kehler, J. Neufeld, L. Manning, C. Argue, K. Handel, K. Hooper-McGrevy, J. Pasick); Prairie Diagnostic Services, Saskatoon, Saskatchewan, Canada (M. Jonas); British Columbia Ministry of Agriculture and Lands, Abbotsford, British Columbia, Canada (J. Robinson); St. Jude Children’s Research Hospital, Memphis, Tennessee, USA (R.G. Webster)

Main Article

Table 2

Comparison of 8 gene segments of avian influenza virus (H7N3) A/chicken/Saskatchewan/HR-00011/2007 with 2 recent viruses (H7N3) isolated from wild waterfowl, Saskatchewan, Canada, 2007*

Gene A/American black duck/New Brunswick/2538/2007
 A/Canada goose/British Columbia/3752/2007
% nt identitiy % aa identity % nt identity % aa identity
PB2 92 97.8 92 97.8
PB1 97 99.2 97 99.1
PA 98 95.5 97 95.4
H7 96 96.3 97 97
NP 94 97.4 94 97.2
N3 96 98.3 98 98.3
M1 96 98.8 97 98.8
M2 98 97.9 99 100
NS1 80 68.7 80 69.1
NS2 80 82.5 80 82.5

*GenBank accession nos. EU500841–EU500864. PB2, RNA polymerase subunit B2; PB1, RNA polymerase subunit B1; PA, RNA polymerase subunit A; H7, hemagglutinin 7; NP, nucleoprotein; N3, neuraminidase 3; M1, matrix protein 1; M2, matrix protein 2; NS1, nonstructural protein 1; NS2, nonstructural protein 2.

Main Article

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Page updated: December 07, 2010
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The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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