
VENTURA — The Ventura County Environmental Health Division (Division) received confirmation from the California Department of Public Health that a bird collected in the city of Camarillo on August 1, 2026, and two birds collected in the city of Ventura on August 3, 2026, tested positive for West Nile virus (WNV). All mosquito breeding sources in the area where the birds were collected will be inspected and treated if evidence of mosquito breeding is observed. Ventura County Public Health and Environmental Health are closely monitoring WNV activity, including the increase in WNV cases and the recent WNV-related death in Los Angeles County.
Public Health confirms that no human cases of WNV have been identified to date in 2026 in Ventura County.
