West Nile virus detected in some areas of Palo Alto and Stanford. County to spray mosquitoes on Thursday, July 27

Santa Clara County Vector Control District will spray parts of Palo Alto and Stanford with mosquito treatment to suppress West Nile virus activity after some mosquitoes tested positive, according to a district advisory.

Mosquitoes infected with West Nile virus have been detected in a small area within these cities. Spraying to reduce adult mosquito populations will take place on Thursday, July 27 starting at about 10 p.m. and will last approximately four hours, according to the district.

The treatment will use truck-mounted equipment to spray in ZIP codes 94301, 94304, 94305, and 94306. An interactive map of the streets and neighborhoods can be found here.