A big jump in human cases of West Nile Virus in Illinois, Texas and Arkansas is prompting St. Louis County to boost its spraying to combat mosquitoes.
"An extra team of vector control employees will spray strategic areas in the early morning hours this week to reduce the number of breeding adult mosquitoes and knock down any that may be carrying West Nile Virus," Vector Control Operations Manager Drew Hane said. That team is a supplement to evening and overnight spraying efforts.
The county health department is urging residents to take the following steps: