Trumpet EC, an organophosphate, will be sprayed over an area bounded by the Union Pacific Railroad to the north, West Linne Road to the south, South MacArthur Road to the east and South Lammers Road to the west.
The spraying is in response to increased numbers of adult mosquitoes and the detection of West Nile virus in several areas of San Joaquin County, the release stated.
As of Friday, one middle-aged person in San Joaquin County had tested positive for the virus, but the person had no symptoms, according to San Joaquin County Public Health Services. The infection was found during a blood donation screening.
For information, visit the San Joaquin County Mosquito and Vector Control District website.
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