Los Angeles County reports first West Nile virus death of 2026
Key Points:
- Los Angeles County confirmed its first West Nile virus death of the year in a San Fernando Valley resident who suffered severe neurological illness, amid elevated virus activity statewide.
- The county has reported 15 West Nile virus infections so far this year, surpassing the five-year average, with half of the cases in the San Fernando Valley.
- Statewide, California has recorded 30 human cases and three deaths as of August 14, marking the highest West Nile virus activity in five years, with detections in 32 counties.
- Health officials urge residents to use insect repellent, eliminate standing water, and ensure window and door screens are intact to prevent mosquito bites, especially during peak transmission months of August and September.
- West Nile virus can cause severe illness or death, particularly in people over 50 or those with weakened immune systems, and there is currently no vaccine or specific treatment available.