Mushroom Poisoning Outbreaks - China, 2010-2020

Weiwei Li, Sara M. Pires, Zhitao Liu, Jinjun Liang, Yafang Wang, Wen Chen, Chengwei Liu, Jikai Liu, Haihong Han, Ping Fu*, Yunchang Guo*

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

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Abstract

Introduction: Mushroom poisoning was the leading cause of foodborne disease outbreaks and outbreak-associated deaths in China. Mushroom poisoning outbreak surveillance can provide insight into the epidemiological characteristics of mushroom poisonings and guide policymaking and health education to reduce illnesses and deaths.

Methods:
Foodborne Disease Outbreak Surveillance System was upgraded in 2011 to collect foodborne disease outbreaks in China. Mushroom poisoning outbreaks during 2010-2020 were selected to analyze geographical distribution, seasonal distribution, and setting of food preparation.

Results: A total of 10,036 outbreaks, which resulted in 38,676 illnesses and 788 deaths, were reported in this period. Mushroom poisonings occurred all over the country, but with highest incidence in the southwest and central China. Overall, 84.6% outbreaks were associated with food prepared in households, followed by 8.7% in street stalls, and 2.5% in canteens. Mushroom poisoning outbreaks clearly exhibited seasonality, and the peak season was summer through autumn. Outbreaks occurring between May and October accounted for 94.1% of total outbreaks, 92.4% illnesses, and 97.2% deaths.

Conclusions: Mushroom poisoning is a food safety issue of higher concern in China. Targeted health education is essential to reduce mushroom poisoning, especially in southwest China. Citizens are advised to not collect or eat wild mushrooms.
Original languageEnglish
JournalChina CDC Weekly
Volume3
Issue number24
Pages (from-to)518-522
Number of pages5
ISSN2096-7071
DOIs
Publication statusPublished - 2021

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