Table 1.

Mosquito pools selected from California study sites for in vivo fitness competitions.

Isolate	Region	Collection date	Mosquito species	Ct valuea	Titerb	Ratioc	NCBI GenBank accession no.
COAV-07-1573	Mecca, Riverside County, CA, USA	09/18/07	Cx. tarsalis	28.0	8.71	0.15	KR348934
COAV-08-1091	Mecca, Riverside County, CA, USA	06/12/08	Cx. tarsalis	23.1	8.52	0.17	KR348926
COAV-08-1333	Mecca, Riverside County, CA, USA	07/10/08	Cx. tarsalis	22.8	8.87	0.67	KR348929
COAV-08-1722	Palm Springs, Riverside County, CA, USA	09/25/08	Cx. quinquefasciatus	29.2	9.08	0.14	KR348936
GRLA-07-5894	Encino, Los Angeles County, CA, USA	09/18/07	Cx. quinquefasciatus	23.4	8.65	0.20	KR348947
GRLA-08-277	Downey, Los Angeles County, CA, USA	05/22/08	Cx. quinquefasciatus	28.5	8.70	0.22	KR348950
GRLA-08-5546	Van Nuys, Los Angeles County, CA, USA	07/24/08	Cx. quinquefasciatus	24.4	8.36	0.08	KR348946
GRLA-08-6006	Los Angeles, Los Angeles County, CA, USA	09/25/08	Cx. quinquefasciatus	25.8	8.95	0.17	KR348953
KERN-07-477	Bakersfield, Kern County, CA, USA	09/14/07	Cx. quinquefasciatus	24.4	9.05	0.37	KR348991
KERN-08-136	Bakersfield, Kern County, CA, USA	06/27/08	Cx. quinquefasciatus	24.2	8.80	0.26	KR348978
KERN-08-360	Lamont, Kern County, CA, USA	09/10/08	Cx. tarsalis	26.2	8.88	0.23	KR348987
KERN-08-377	Bakersfield, Kern County, CA, USA	09/12/08	Cx. quinquefasciatus	34.4	8.69	0.30	KR348988
SAYO-07-6588	Wilton, Sacramento County, CA, USA	09/25/07	Cx. tarsalis	28.8	8.94	0.27	KR349013
SAYO-08-2604	Sacramento, Sacramento County, CA, USA	06/27/08	Cx. pipiens	31.3	8.96	0.29	KR348998
SAYO-08-4541	Courtland, Sacramento County, CA, USA	07/25/08	Cx. tarsalis	31.2	8.99	0.21	KR349000
SAYO-08-6803	Woodland, Yolo County, CA, USA	08/26/08	Cx. tarsalis	33.2	8.76	0.22	KR349014

^aCycle threshold (Ct) value of the mosquito pool tested by qRT-PCR at initial detection.

^bInfectious virus titer (log₁₀ PFU/mL) after propagation of the mosquito pool homogenate in Vero cell culture.

^cRatio refers to the RNA copy-to-PFU ratio of stock virus.