The San Mateo County Mosquito and Vector Control District announced Thursday that it had detected West Nile Virus in adult mosquitoes collected July 29, 2015, from areas of Menlo Park. The District will conduct truck-mounted adult mosquito treatment around the detection site in an effort to prevent human cases of WNV. Weather permitting, the adult mosquito treatment is scheduled for the night of Sunday, Aug. 2 between 9 p.m. and 5 a.m. Monday morning. The treatment area, which is primarily residential, is approximately bounded by Menlo Avenue to the north, San Mateo Drive to the west, Creek Drive to the south, and Waverly Street to the west. A map of the treatment area and further information can be found on the District website and residents with additional questions can call the District at 650-344-8592 Monday through Friday from 8 a.m. to 4:30 p.m.