Table 1.
Selected Molecular Markers Detected in Avian Influenza A H5 Subtype Viruses in Present Study, China, 2013–2014
| Identified Virus | Collection Data | HA (H3 Numbering) |
PB2 |
NA |
M2 |
PB1-F2 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cleavage Site | 110 | 158 | 160 | 226 | 228 | 318 | 591 | 627 | 701 | 274 | Stalk Deletion | 31 | 58–90 Truncated | ||
| CK/Jiangsu/927/2013(H5N1) | 18 November 2013 | RERRRKR/G | H | D | A | Q | G | T | Q | E | D | H | 49–68 | S | Yes |
| CK/Jiangsu/2477/2014(H5N1) | 17 June 2014 | RERRRKR/G | H | D | A | Q | G | T | Q | E | D | H | 49–68 | S | Yes |
| DK/Jiangsu/WX156/2013(H5N6) | 22 July 2013 | REKRRKR/G | H | N | A | Q | G | T | Q | E | D | H | No | S | Yes |
| CW/Jiangsu/WX175/2013(H5N6) | 12 July 2013 | REKRRKR/G | H | N | A | Q | G | T | Q | E | D | H | No | S | Yes |
| CK/Jiangsu/WXSB2/2014(H5N6)a | 20 August 2014 | RERRRKR/G | H | N | T | Q | G | T | Q | E | D | H | 58–68 | S | Yes |
| GS/Jiangsu/WX202/2013(H5N8) | 15 February 2014 | REKRRKR/G | H | N | T | Q | G | T | NA | NA | NA | H | No | N | NA |
| DW/Jiangsu/WX1761/2014(H5N2) | 18 April 2014 | REGRRRKR/G | H | N | T | Q | G | T | Q | E | D | H | No | N | No |
Abbreviations: CK, chicken; CW, contaminated water; DK, duck; DW, drinking water; NA, not available due the poor sequence data; WX, Wuxi.
a Identified in a sick chicken.