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Mushroom Poisoning Outbreaks - China, 2025
Haijiao Li1, Yizhe Zhang2, Hongshun Zhang1
1State Key Laboratory of Trauma and Chemical Poisoning, National Institute of Occupational Health and Poison Control, Chinese Center for Disease Control and Prevention & Chinese Academy of Preventive Medicine, Beijing, China.
China CDC Weekly
|July 11, 2026
Summary
Mushroom poisoning remains a threat in China. In 2025, the China Center for Disease Control and Prevention (CDC) recorded the lowest fatality rate in six years, identifying 34 new poisonous mushroom species.
Area of Science:
- Food safety
- Mycology
- Public health surveillance
Background:
- Mushroom poisoning is a significant food safety concern in China.
- Systematic investigations since 2019 have tracked poisoning patterns and mushroom diversity.
- Annual incidents (2019-2024) ranged from 276 to 676, with case fatality rates between 0.87% and 2.86%.
Purpose of the Study:
- To report on the 2025 mushroom poisoning surveillance data in China.
- To document the number of incidents, affected individuals, and fatalities.
- To identify the diversity of poisonous mushroom species involved, including newly recorded ones.
Main Methods:
- The China Center for Disease Control and Prevention (CDC) conducted systematic investigations.
- Data collected included poisoning incidents, affected individuals, and fatalities across provincial-level administrative divisions (PLADs).
- Identification of poisonous mushroom species was performed.
Main Results:
- In 2025, 828 incidents affected 2,165 individuals, with 13 deaths.
- The case fatality rate was 0.6%, the lowest recorded in six years.
- 138 poisonous mushroom species were identified, with 34 being newly recorded in poisoning incidents.
Conclusions:
- Prompt identification of mushroom species, toxins, and clinical syndromes is crucial for treatment and public health interventions.
- Continued public education and stricter market regulation for wild mushrooms are necessary.
- Surveillance data highlights the evolving landscape of mushroom poisoning threats in China.
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