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Volume 23, Number 12—December 2017

Synopsis

Spread of Canine Influenza A(H3N2) Virus, United States

Ian E.H. Voorhees, Amy L. Glaser, Kathy Toohey-Kurth, Sandra Newbury, Benjamin D. Dalziel, Edward Dubovi, Keith Poulsen, Christian Leutenegger, Katriina J.E. Willgert, Laura Brisbane-Cohen, Jill Richardson-Lopez, Edward C. Holmes, and Colin R. ParrishComments to Author 
Author affiliations: Cornell University, Ithaca, New York, USA (I.E.H. Voorhees, A.L. Glaser, E.J. Dubovi, K.J.E. Willgert, L. Brisbane-Cohen, C.R. Parrish); University of Wisconsin, Madison, Wisconsin, USA (K. Toohey-Kurth, S. Newbury, K. Poulsen); Oregon State University, Corvallis, Oregon, USA (B.D. Dalziel); IDEXX Laboratories, West Sacramento, California, USA (C. Leutenegger); Royal Veterinary College, London, UK (K.J.E. Willgert); Merck Animal Health, Madison, New Jersey, USA (J. Richardson-Lopez); University of Sydney, Sydney, New South Wales, Australia (E.C. Holmes)

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Table 3

Results of rRT-PCR tests for canine influenza A(H3N2) virus RNA in specimens collected from dogs, by state, United States, February 2015–March 2016*

State/district Test result
Positive Negative
Alabama 16 355
Alaska 0 22
Arizona 0 223
Arkansas 0 21
California 11 1,601
Colorado 4 137
Connecticut 0 136
Delaware 0 17
District of Columbia 0 5
Florida 1 432
Georgia 559 1,143
Hawaii 0 27
Idaho 1 80
Illinois 820 1,055
Indiana 14 108
Iowa 1 75
Kansas 0 60
Kentucky 5 51
Louisiana 0 132
Maine 1 132
Maryland 3 133
Massachusetts 2 191
Michigan 6 333
Minnesota 5 302
Mississippi 0 39
Missouri 1 115
Montana 2 20
Nebraska 0 27
Nevada 0 39
New Hampshire 0 49
New Jersey 28 175
New Mexico 0 26
New York 3 667
North Carolina 33 475
North Dakota 0 6
Ohio 87 425
Oklahoma 0 18
Oregon 0 84
Pennsylvania 28 1,050
Rhode Island 0 37
South Carolina 2 137
South Dakota 7 14
Tennessee 1 115
Texas 13 833
Utah 0 121
Vermont 0 45
Virginia 0 232
Washington 2 181
West Virginia 1 16
Wisconsin 15 498
Wyoming 0 13
International or unknown
21
609
Total 1,693 12,837

*rRT-PCR, real-time reverse transcription PCR.

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