Table 1. Origin and passage history of California natural isolates.
| GenBank accession no. | Strain | Location* | Year | Host | Passage history |
| AF196835 | 382-99 (IC) (NY99-IC) | New York | 1999 | Phoenicopterus chilensis | Vero-1 (BHK-transfection) |
| JF703162 | CA-03 COAV997 (COAV997) | Imperial Valley | 2003 | Cx. tarsalis | Vero-1 |
| DQ080055 | CA-03 IMPR 102 (IMP102) | Imperial Valley | 2003 | Cx. tarsalis | Vero-1 |
| JF703164 | CA-03 IMPR 116 (IMP116) | Imperial Valley | 2003 | Cx. tarsalis | Vero-1 |
| DQ080056 | CA-03 IMPR 1075 (IMP1075) | Imperial Valley | 2003 | Cx. tarsalis | Vero-1 |
| DQ080059 | CA-04 04-7168 (CA-04) | Sacramento County | 2004 | P. nuttalli | Vero-4 |
| JF703161 | CA-04 COAV689 (COAV689) | Coachella Valley | 2004 | Cx. tarsalis | Vero-1 |
| JF703163 | CA-05 COAV2900 (COAV2900) | Coachella Valley | 2005 | Cx. tarsalis | Vero-1 |
*
All locations are in California, USA, with the exception of New York, USA.