Amanita Species Mushroom Poisonings — Northern California, November 2025–March 2026

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

Last synced 6/12/2026Status: primary verified

This report describes an outbreak of 39 cases of amatoxin mushroom poisoning in Northern 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.