Objective To analyze the epidemiological characteristics of school infectious disease outbreak in clusters in Liwan District of Guangzhou from 2016 to 2021,and to provide a basis for responding school-based outbreak in clusters.Methods Data was organized using Excel 2010,and descriptive statistical analysis was performed using SPSS 22.0.Categorical variables were described using occupancy ratios,and the Chi-square and Kruskal-Wallis tests were applied for intergroup comparisons.Results From 2016 to 2021,a total of 269 school infectious disease outbreak in clusters were reported in Liwan District,Guangzhou,involving 3 575 cases.The diseases were categorized into influenza(33.46％),hand-foot-mouth disease(28.62％),herpetic angina(17.47％),other infectious diarrhea(15.61％),and chickenpox(4.83％).There was a statistically significant difference in the incidence rate of outbreak in clusters of different diseases(x2=231.900,P＜0.001).The peak months for school infectious disease outbreak in clusters were May and December,with 136 cases(50.56％)reported in daycare institutions and 95 cases(35.32％)in primary schools.There was a statistically significant difference in the frequency of outbreak in clusters among various school types(x2=22.352,P＜0.001).Conclusion Liwan District intensifies its efforts in preventing and controlling infectious diseases,particularly in kindergartens and primary schools,especially during the high incidence months of May and December.The main infectious diseases include hand-foot-mouth disease,herpetic angina,influenza,and other infectious diarrhea.Continuous enhancement of training in infectious disease prevention and control knowledge is necessary for teachers and students across the district,along with raising awareness about personal protection and sustaining vaccination efforts.
Infectious diseasesOutbreak in clustersEpidemiological characteristicPrimary and secondary schoolChildcare settingsAnalysis
NETL
NSTL
万方数据
