Proactive efforts help as mosquito season continues

In April, San Diego County began ramping up its proactive treatment of mosquito breeding sites in waterways around the county. The goal is to reduce these pests and their risk for spreading diseases, such as West Nile virus.

The next treatments, including Lake Rancho Viejo, will be June 26 and 27, as well as July 17 and 18.

Every year in spring, the county's Vector Control Program applies a safe, eco-friendly larvicide by helicopter to treat nearly 1,400 acres of hard-to-reach areas where mosquitoes breed. This year, locations in the Tijuana River Valley with stagnant water are also being trea...