Table 1. Influenza viruses used in this study.
| Virus | Subtype | Source | Accession number of HA gene |
|---|---|---|---|
| A/canine/Beijing/364/2009a | H3N2 | canine | JX101377 |
| A/canine/Beijing/359/2009 | H3N2 | canine | JX101393 |
| A/canine/Beijing/362/2009 | H3N2 | canine | JX101385 |
| A/canine/Beijing/305/2009 | H3N2 | canine | JX101401 |
| A/canine/Beijing/418/2010 | H3N2 | canine | JX101369 |
| A/Jiangxi/262/2005a | H3N2 | human | EU876769 |
| A/Beijing/07/2012 | H3N2 | human | KF471237 |
| A/Beijing /34/2013 | H3N2 | human | KJ577143 |
| A/Beijing/369/2010 | H3N2 | human | KP459340 |
| A/Beijing/332/2009 | H3N2 | human | CY108834 |
| A/canine/Colorado/6723-8/2008a | H3N8 | equine | CY067574 |
| A/canine/Iowa/13628/2005 | H3N8 | equine | DQ146419 |
| A/canine/California/70645-4/2006 | H3N8 | equine | CY067390 |
| A/canine/Florida/43/2004 | H3N8 | equine | DQ124190 |
| A/canine/Colorado/866907/2010 | H3N8 | equine | JX235380 |
| A/canine/Beijing/cau2/2009a | H1N1 | canine | JN540086 |
| A/California/04/2009 | H1N1 | human | GQ280797 |
| A/canine/Beijing/cau9/2009 | H1N1 | canine | JN540094 |
| A/Beijing/7/2009 | H1N1 | human | HQ533864 |
| A/Beijing/132/2010 | H1N1 | human | KF918703 |
| A/chicken/Jiangsu/TS/2010 | H9N2 | avian | KC281007 |
| A/chicken/Sheny/0606/2008 | H5N1 | avian | JQ277225 |
a These viruses were used as reference strains in development of the mRT-PCR assay and in the sensitivity assay.