Volume 43 Issue 12
Dec.  2022
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FENG Taicong, HU Yongdi, MAO Jianying, XIANG Lunhui, JIANG Wenjie, ZHANG Yuejuan, SHI Chenwei, LIU Xiaofeng. Epidemiological characteristics of Sapovirus virus clustered vomiting epidemic in Baoshan District in Shanghai from 2017 to 2019[J]. CHINESE JOURNAL OF SCHOOL HEALTH, 2022, 43(12): 1809-1811. doi: 10.16835/j.cnki.1000-9817.2022.12.012
Citation: FENG Taicong, HU Yongdi, MAO Jianying, XIANG Lunhui, JIANG Wenjie, ZHANG Yuejuan, SHI Chenwei, LIU Xiaofeng. Epidemiological characteristics of Sapovirus virus clustered vomiting epidemic in Baoshan District in Shanghai from 2017 to 2019[J]. CHINESE JOURNAL OF SCHOOL HEALTH, 2022, 43(12): 1809-1811. doi: 10.16835/j.cnki.1000-9817.2022.12.012

Epidemiological characteristics of Sapovirus virus clustered vomiting epidemic in Baoshan District in Shanghai from 2017 to 2019

doi: 10.16835/j.cnki.1000-9817.2022.12.012
  • Received Date: 2022-05-24
  • Rev Recd Date: 2022-08-17
  • Available Online: 2022-12-30
  • Publish Date: 2022-12-25
  •   Objective   To investigate the epidemiological characteristics of cluster vomiting diarrhea outbreaks caused by Sapovirus infection in Baoshan District, Shanghai, and to provide reference for the standardized management of cluster vomiting diarrhea events in schools.  Methods   The cluster of vomiting and diarrhea outbreaks in Baoshan District from 2017 to 2019 were collected, and the basic information and scene of each cluster were summarized. Sample results were collected and descriptive epidemiological methods were used to analyze the epidemiological characteristics of the outbreak.  Results   From 2017 to 2019, a total of 100 cluster vomiting and diarrhea events were reported in Baoshan District, including 9 cases caused by Sapovirus, 120 cases of cluster vomiting diarrhea caused by Sapovirus, with an average incidence rate of 2.37%, including 39 laboratory-confirmed cases, the epidemic epidemic time was mainly concentrated in September to November, the places were distributed in 4 primary schools and 5 kindergartens, the main clinical manifestations were vomiting (112/120, 93.33%), abdominal pain (27/120, 22.50%), diarrhea (26/120, 21.67%), compared with Norovirus events, the positive rate, vomiting and fever ratios of Zarovirus were lower than those of Norovirus(χ2=8.32, 4.52, 14.20, P < 0.05).  Conclusion   In school cluster vomiting and diarrhea events, the positive detection rate of Sapovirus is second enteric vinus behind Norovirus, and it's recommended to formulate a prevention and control plan for Sapovirus infection diarrhea to provide a basis for the on-site treatment of school cluster vomiting diarrhea events.
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