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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 J. 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)

Main Article

Table 2

Results of the rRT-PCR analysis of a necropsied dog in a Chicago-area animal shelter that died after being infected with canine influenza A(H3N2) virus, United State, February 2015*

Type of specimen Ct value
Nasal swab 20.0
Oral swab 34.3
Tracheal swab 36.4
Bronchial swab 28.1
Cranial lung 31.8
Tracheobronchial lymph node 39.6
Liver Neg
Pancreas Neg
Ileum Neg
Kidney Neg

*Data from Watson et al. (32), used with permission. Data shown as rRT-PCR Ct values. Values <36 are considered positive results (black cells), and values >37 but <40 are considered weak positive results (dark gray cells). Light gray cells indicate negative rRT-PCR assay results for influenza A virus shedding. Ct, cycle threshold; Neg, negative; rRT-PCR, real-time reverse transcription PCR.

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