Objective To assess the risk of norovirus infection outbreak in Anhui province recently, and to put forward targeted risk management recommendations. Methods Based on literature review and data analysis, expert consultation method was used to evaluate the possibility and seriousness of the outbreak, and risk matrix method was used to quantify the risk, and the risk grade was obtained. Results The outbreak of norovirus infection in Anhui Province showed an increasing trend year by year. The peak of the epidemic was from November to April of the next year, 94.4% of the outbreak occurred in nurseries and schools, and the transmission route of outbreak was mainly human-to-human. Conclusion The possibility of a recent outbreak of norovirus infection in Anhui province was rated as "very likely" and the severity of the consequences was rated as "relatively high".The risk level on outbreak of norovirus in Anhui province was high. The relevant departments should adopt targeted prevention and control measures according to risk management recommendations.
Key words
Norovirus /
Risk assessment /
Outbreak /
Health emergency /
Childcare facilities /
School
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