California is experiencing its worst wild mushroom poisoning outbreak in a decade, with 50 cases and 4 deaths since November. - Death Caps and Western Destroying Angels are unusually abundant due to recent rains.
- Poisonings have occurred in Alameda, Marin, Monterey, Napa, San Francisco, San Mateo, and Sonoma counties. - Four liver transplants have been performed due to severe liver damage.
Health officials warn that cooking does not eliminate toxins and urge the public to avoid foraging wild mushrooms.