Table 1.
Information on the virus strains used in the study
| Strain | Year of isolation | Origin | Passages in MARC-145/PAM | Virulence score | Macrophage (mø) tropism | Genotype | Accession number | References |
|---|---|---|---|---|---|---|---|---|
| LV | 1991 | Netherlands | 13 in PAM | 1+ | Sn+ mø | G1s1 | M96262 | [28] |
| 94V360 | 1994 | Belgium | 3 in PAM | NA | NA | G1s1 | JF304781 | [31] |
| 07V063 | 2007 | Belgium | 3 in PAM | 3+ | Sn+ and Sn− mø | G1s1 | GU737264 | [16] |
| 08VA | 2008 | Belgium | 4 in PAM | 0 | Sn+ and Sn− mø | G1s1 | GU737266 | [16] |
| 13V091 | 2013 | Belgium | 4 in PAM | 4+ | Sn+ and Sn− mø | G1s1 | KT159248 | [16] |
| 13V117 | 2013 | Belgium | 3 in PAM | 0 | Sn+ and Sn− mø | G1s1 | KT159249 | [16] |
| 17V035 | 2017 | Belgium | 2 in PAM | 0 | NA | G1s1 | This study | NA |
| Lena | 2007 | Belarus | 4 in PAM | 6+ | Sn+ and Sn− mø | G1s3 | JF802085 | [32] |
| SU1-Bel | 2010 | Belarus | 4 in PAM | 5+ | NA | G1s3 | KP889243 | [33] |
| VR2332 | 1990 | USA | 4 in MARC-145 and 2 in PAM | 2+ | Sn+ and Sn− mø | G2 | U87392 | [34] |
| SDSU-73 | 1995 | USA | 3 in MARC-145 and 3 in PAM | 4+ | NA | G2 | JN654458 | [28] |
| MN-184 | 2001 | USA | 3 in MARC-145 and 3 in PAM | 5+ | Sn+ and Sn− mø | G2 | EF488739 | [28] |
| NADC-30 | 2008 | USA | 3 in MARC-145 and 3 in PAM | 3+ | NA | G2 | JN654459 | [28] |
| Korean 17 | 2017 | Korean | 3 in PAM | NA | NA | G2 | This study | NA |
NA: not available; S1: PK-15S1–CD163; S10: PK-15S10–CD163; G1s1: type1 subtype 1; G1s3: type1 subtype 3; G2: type 2