Conclusion The outbreak was induced by eating fresh or half-fresh pomacea canaliculata, indicating that outbreak of verminosis induced by food can also happen in the northland.

• 结论本次疫情属于生吃半生吃福寿螺螺肉而发生的广州管圆线虫病暴发流行，提示食源性寄生虫病在北方也存在暴发可能。