Mechanical traps are used extensively throughout the District on a continuous basis to trap migrating mosquitoes. Contents of the traps are collected and analyzed each week. Each trap’s content indicate the population in a specific area along with information about the mosquito species distribution. The data is submitted to the California Department of Health Services for compilation with other vector control agency data..
West Nile Virus Surveillance Map - Courtesy of San Joaquin County Public Health Service's Epidemiology Department.
