Table 2.
Nucleotide sequence identity of different subgroups and within each subgroup of Chinese PRRSV-1 strains (%).
| Subgroups | BJEU06-1-Like | NMEU09-1-Like | Amervac-Like | HKEU16-Like | 180900-5 | SC-2020-1 | EUGDHD2018 |
|---|---|---|---|---|---|---|---|
| BJEU06-1-like | 86.0~99.7% | ||||||
| NMEU09-1-like | 82.2~87.6% | 86.1~99.7% | |||||
| Amervac-like | 85.5~93.5% | 84.8~87.1% | 95.1~99.8% | ||||
| HKEU16-like | 84.8~89.1% | 83.6~85.1% | 87.9~89.4% | 92.6~97.3% | |||
| 180900-5 | 81.7~84.2% | 81.5~82.6% | 83.7~84.5% | 83.2~83.6% | |||
| SC-2020-1 | 83.1~86.0% | 82.5~83.3% | 85.2~86.4% | 84.9~85.1% | 82.0% | ||
| EUGDHD2018 | 82.7~85.5% | 82.1~82.8% | 85.5~86.8% | 84.1~84.3% | 81.7% | 82.2% |