Investigation and Laboratory Analysis of an Outbreak of Norovirus Infectious Diarrhea in a Resort
Objective:To investigate and analyze the infectious diarrhea epidemic in a resort,identify the causes,formulate prevention and control strategies,and control the spread of the epidemic.Method:Field epidemiological investigation and laboratory sampling were used to find the pathogenic factors causing infectious diarrhea.Result:A total of 42 confirmed and suspected cases have been identified,with the main clinical symptoms including fever,vomiting and diarrhea.Among them,26(61.90％)were febrile.22 patients(58.38％)had vomiting symptoms.The number of people with diarrhea symptoms was more,35 people,accounting for 83.33％.Field anal swabs were collected from 17 cases,nucleic acid detection by fluorescent PCR and bacteriological culture detection by bacterial culture.Finally,norovirus G Ⅱ type was detected in 14 cases.Conclusion:According to the clinical symptoms,epidemiological investigation and laboratory test results,the pathogenic microorganism causing the outbreak of infectious diarrhea in the chalet resort was norovirus type G Ⅱ.
infectious diarrheanorovirusepidemiological investigationlaboratory test
万方数据
维普
