Public health emergencies of infectious events in schools in Guangzhou, 2014–2018

Abstract

Objective To master the situation of public health emergencies of infectious events in schools in Guangzhou, 2014–2018, for providing the scientific evidences for the formulation of strategies for prevention and control.

Methods Descriptive epidemiological methods were used to analyze the infectious events in Guangzhou schools, 2014–2018.

Results The 198 public health emergencies of infectious diseases and their relevant 7 876 cases were reported during 2014–2018, the average attack rate was 2.22%. In the last five years, the infectious events in schools accounted for 50.13%, it accounted for 94.29% of the total reported public health emergencies in schools. Respiratory infectious disease and intestinal infectious diseases accounted for 52.02%, 47.98% respectively. The first three infectious diseases were chicken-pox, hand foot mouth disease and norovirus infectious diarrhea. The median interval between the onset of index case and online reporting was 7.98 d (ranging from 0.00 to 86.70 d), while the median duration of epidemic was 17.50 d (ranging from 0.00 to 93.00 d), the correlation was positive with the Spearman correlation coefficient of 0.612 ( P<0.001).

Conclusion Schools are most common places where public health emergencies of infectious events occur. It is essential to strengthen the prevention and control of respiratory infectious disease and intestinal infectious diseases in schools.

Abstract

摘要： 目的 了解 2014—2018 年广州市学校传染病突发公共卫生事件发生的情况, 为制定学校传染病突发公共卫 生事件防控措施提供科学依据。 方法采用描述性流行病学方法对 2014—2018 年广州市学校传染病突发公共卫生事 件进行分析。 结果 2014—2018 年广州市共报告 198 起, 发病 7 876 例, 罹患率 2.22%。 学校传染病突发公共卫生事件 占广州市突发公共卫生事件总起数的 50.13%, 占总报告学校突发公共卫生事件的 94.29%。 呼吸道、肠道传染病分别占 52.02%、47.98%。 事件起数排在前3位的病种分别为水痘、手足口病和诺如病毒感染性腹泻。 首例病例发生时间到报 告时间的中位数为 7.98(0.00~86.70) d, 事件持续时间的中位数为 17.50(0.00~93.00) d, 两者呈正相关(Spearman 相关系 数为 0.612, P<0.001)。 结论 学校是广州市传染病突发公共卫生事件的高发场所, 应进一步加强学校呼吸道、肠道传 染病防控工作。