Serologic Evidence of Highly Pathogenic Avian Influenza A(H5N1) Virus Infection in a Veterinary Professional Exposed to an Infected Domestic Cat — Los Angeles County, California, December 2024–January 2025

Source: CDC Content Services, Centers for Disease Control and Prevention

Last synced 5/28/2026Status: primary verified

This report describes 139 human exposures to cats infected with A(H5N1) in Los Angeles, California.

Educational only

This information is for general education and is not medical advice. Always talk to a licensed U.S. clinician about your situation, medications, or treatment decisions.