Norovirus diarrhea is a kind of diarrhea caused by Norovirus, which has the characteristics of rapid onset, rapid transmission and wide range. Norovirus diarrhea is the main cause of the outbreak of non-bacterial diarrhea. The mainsymptoms were nausea, vomiting, fever, abdominal pain and diarrhea. Vomitingwas common in children, and diarrhea was common in adults.Everyyear from September to March is a high incidence period. The incubation periodis 24h-48h, the shortest 12h, the longest 72h.
Whatis the way of transmission?
Norovirusis highly infectious, mainly transmitted in the intestinal tract. It can betransmitted through polluted water sources, food, articles, air, etc. It cancause collective outbreaks in schools and kindergartens.
What are the preventive measures?
1. Students shouldpay attention to personal hygiene and wash their hands frequently. They shouldnot eat raw, cold, unripe and rotten food. They should reduce their play tocrowded places.
2. Schoolscontinue to strengthen education and propaganda focusing on the prevention ofintestinal infectious diseases, advocating drinking hot water, not eating rawand cold food, especially raw shellfish aquatic products, washing hands beforeand after meals, developing good hygienic habits; classroom ventilation, strengthening students' physical exercise.
3. Isolation treatment should be carried outimmediately for the confirmed patients, and the school should immediately carryout the epidemic report and disinfection treatment of articles in relevant places.Isolation time is three days after the recovery of the disease, with thehospital issued a certificate of recovery, to the relevant community hospitalissued a certificate of resumption of classes before admission.
编辑：信息中心 撰稿：杨丹 翻译：冯丽