Spraying for Nuisance Mosquitoes has Begun in St. Louis CountyMost spraying will be done between Sunday and Thursday evenings between sunset and midnight, when mosquito activity is usually at its peak.
Health Officials Preparing for Threat of Mosquito-Borne DiseaseHoping to get out in front of the problem before it arrives, St. Louis County health officials are making changes to better fend off the threat of Chikungunya. For the first time, human cases of the mosquito-borne disease have been reported in the U.S.
St. Louis County Prepares for Potentially Dangerous West Nile SeasonLast year was a banner year both for the sheer number of mosquitos and for the number carrying West Nile Virus but this year will be worse.
St. Louis County Officials Step Up Mosquito SprayingNo human West Nile Virus cases have arrived here yet but St. Louis County health officials say they're seeing a greater abundance of West Nile.

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