First West Nile Virus Death of 2026 Reported in LA County - Public Health Urges Residents to Take Steps to Prevent the Spread of Mosquito-Borne Illness

The Los Angeles County Department of Public Health has confirmed the first local death due to West Nile virus for the 2026 mosquito season. A resident of the San Fernando Valley was hospitalized and died from neurological illness caused by severe West Nile virus.

"This tragic loss is a reminder of the serious threat posed by mosquito-borne diseases, including West Nile virus and dengue. Everyone can take simple steps to reduce their risk. These include using insect repellent, getting rid of standing water where mosquitoes breed, and making sure windows and door have tight-fitting screens without holes or tears. Small actions like these can make a big difference in preventing illness.”

http://publichealth.lacounty.gov/phcommon/public/media/mediapubhpdetail.cfm?prid=5426

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