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Volume 10, Number 8—August 2004

Research

West Nile Virus in California

William Reisen*Comments to Author , Hugh Lothrop*, Robert Chiles*, Minoo Madon†, Cynthia Cossen‡, Leslie Woods*, Stan Husted‡, Vicki Kramer‡, and John Edman*
Author affiliations: *University of California, Davis, California, USA; †Greater Los Angeles County Mosquito and Vector Control District, Santa Fe Springs, California, USA; ‡California Department of Health Services, Sacramento, California, USA

Main Article

Figure 6

Virus temporal dynamics in relation to Culex abundance in the Whittier Narrows area of Los Angeles County. Shown are (A) female Cx. tarsalis collected per CO2 trap night (TN) and female Cx. p. quinquefasciatus collected per gravid TN, West Nile virus (WNV) minimum infection rates (MIR) per 1,000 Cx. p. quinquefasciatus tested, adjusted for differential sample sizes, and (B) number of dead birds reported, tested, and positive for WNV in Los Angeles County.

Figure 6. Virus temporal dynamics in relation to Culex abundance in the Whittier Narrows area of Los Angeles County. Shown are (A) female Cx. tarsalis collected per CO2 trap night (TN) and female Cx. p. quinquefasciatus collected per gravid TN, West Nile virus (WNV) minimum infection rates (MIR) per 1,000 Cx. p. quinquefasciatus tested, adjusted for differential sample sizes, and (B) number of dead birds reported, tested, and positive for WNV in Los Angeles County.

Main Article

1Procedures for the bleeding and husbandry of sentinel chickens were described in Protocol 9608 approved by the University of California, Davis, Animal Use and Care Administrative Advisory Committee.

2The collection, banding, and bleeding of wild birds were conducted under Protocol 9605 approved by the Animal Use and Care Administrative Advisory Committee of the University of California, Davis, California Resident Scientific Collection Permit 801049-02 by the State of California Department of Fish and Game, and Master Station Federal Bird Marking and Salvage Permit 22763 from the U.S. Geological Survey Bird Banding Laboratory.

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