The Memphis and Shelby County Health Department's Vector Control section has once again detected high levels of Culex mosquito breeding activity in portions of various zip codes throughout Memphis and Shelby County.
Based upon the positive mosquito pools reported by the Tennessee Department of Health Laboratory (total of 194 for this season), mosquito trap surveillance, and eight birds confirmed positive for West Nile Virus, Health Department teams will begin adulticiding (spraying) in portions of specific zip codes between 9:00 p.m. and midnight on Wednesday night (August 11, 2004), weather permitting, and will continue on Thursday night, August 12th if necessary.
The areas to be sprayed were chosen based upon mosquito surveillance and lab testing. Presence of high number of Culex mosquitoes (trap counts) and the identification of West Nile Virus infected mosquitoes and birds indicate increased risk of human infection. Spraying will be conducted in these areas to reduce that risk.