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West Nile Virus - County Larvicide Application


Last updated 7/27/2016 at 9:40am

The County of San Diego Vector Control Program (VCP) will conduct its fifth aerial mosquito larvicide application of the 2016 mosquito season at large waterbodies known to breed mosquitoes throughout the county on Wednesday, August 3, 2016.

A helicopter will apply larvicide to reduce mosquito populations and reduce the risk of West Nile virus (WNV) transmission. The larvicide is made of naturally occurring bacteria which target mosquito larvae in the water and is not toxic to people, pets, fish or other insects. This reduces the number of mosquitoes that can spread diseases such as West Nile virus. VCP staff will be at the locations during the application to answer questions and monitor progress.

Additional larvicide applications will be conducted at three to four week intervals or as needed through the end of the mosquito season which is approximately October.

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