Table 1.
IBV reference strains used in this study.
| Strain | Origin | Year | Genotype/serotype | Motif a | Accession No. |
|---|---|---|---|---|---|
| YX10 | China | 2010 | QX-type | HRRRR | JX840411 |
| D90 | China | Vaccine strain | QX-type | HRRRR | MF508703 |
| DY05 | China | 2005 | QX-type | HRRRR | GQ265928 |
| A2 | China | 1996 | QX-type | HRRRR | AY043312 |
| LX4 | China | 1999 | QX-type | HRRRR | AY338732 |
| QXIBV | China | 1997 | QX-type | HRRRR | AF193423 |
| 4/91 | UK | 1991 | 4/91 serotype | RRSRR | AF093794 |
| TA03 | China | 2003 | 4/91 serotype | RRSRR | AY837465 |
| 7/93 | UK | 1993 | 4/91 serotype | RRSRR | Z83979 |
| HN08 | China | 2008 | HN08-type | RRFRR | GQ265940 |
| SAIBK | China | 2009 | HN08-type | RRFRR | DQ288927 |
| ArkDPI | USA | 1981 | Arkansas serotype | HRSRR | EU418976 |
| Ark99 | USA | 1973 | Arkansas serotype | HRSRR | M99482 |
| H52 | Netherlands | Vaccine strain | Mass serotype | RRFRR | AF352315 |
| H120 | Netherlands | Vaccine strain | Mass serotype | RRFRR | EU822341 |
| Ma5 | USA | Vaccine strain | Mass serotype | RRFRR | AY561713 |
| TW3468/07 | China | 2007 | TW-type | RRSRR | EU822336 |
| TW2575/98 | China | 1998 | TW-type | RRFRR | DQ646405 |
| TC07-2 | China | 2007 | TC07-2-type | HRRKR | GQ265948 |
| CK/CH/GD/KP10 | China | 2010 | TC07-2-type | HRHKR | HQ018919 |
| CK/CH/GD/NC10 | China | 2010 | TC07-2-type | HRRKR | HQ018903 |
| LDT3 | China | Vaccine strain | LDT3-type | RRFRR | KR608272 |