TABLE 1.
Genetic characteristics of H3N2v and seasonal H3N2 influenza viruses
| Virus | Virus abbreviation | Subtype | HA genetic lineage | Receptor binding site (190D, 226I/V, 228S in HA) | No. of glycans in HAa | Residues at PB2 positions (271A, 627E, 701D, 590/591S/R) | Residue at PB2 position 661 | PB1-F2 length (aa) | Residue at PA position 669 |
|---|---|---|---|---|---|---|---|---|---|
| A/Kansas/13/2009 | KS/09 | H3N2v | H3-IV(B) | Yes | 7 | Yes | A | 57 | V |
| A/Pennsylvania/14/2010 | PA/10 | H3N2v | H3-IV(B) | Yes | 9 | Yes | A | 90 | V |
| A/Minnesota/11/2010 | MN/10 | H3N2v | H3-IV(A) | Yes | 8 | Yes | A | 90 | V |
| A/Indiana/08/2011 | IN/11 | H3N2v | H3-IV(A) | Yes | 8 | Yes | A | 79 | V |
| A/Iowa/8/2011 | IA/11 | H3N2v | H3-IV(A) | Yes | 8 | Yes | A | 90 | V |
| A/Ohio/13/2012 | OH/12 | H3N2v | H3-IV(A) | Yes | 8 | Yes | A | 90 | V |
| A/Michigan/39/2015 | MI/15 | H3N2v | H3-IV(A) | Yes | 8 | Yes | T | 90 | I |
| A/Ohio/27/2016 | OH/16 | H3N2v | Seasonal like | Yes | 6 | Yes | A | 79 | V |
| A/Switzerland/9715293/2013 | SW/13 | H3N2 | Seasonal | Yes | 11 | No | T | 90 | V |
a
The number of potential glycosylation sites in the HA protein was predicted by the NetNGlyc 1.0 server.