Epidemiological characteristics of hand-foot-mouth disease in Chenghua District of Chengdu from 2008 to 2022

Abstract

Abstract: Objective To analyze the epidemiological characteristics of hand-foot-mouth disease（HFMD） in Chenghua District of Chengdu from 2008 to 2022,and provide reference for the formulation of intervention measures for HFMD in this region. Methods Descriptive epidemiological research method was used to analyze the surveillance data of HFMD in Chenghua District of Chengdu from 2008 to 2022. Results A total of 28 136 cases of HFMD were reported in Chenghua District of Chengdu from 2008 to 2022,with an annual incidence rate of 58.38/10⁵ to 457.65/10⁵. There were two peaks of incidence each year,from April to July and from October to November. The age group of 5 years and below accounted for 94.45% of the total reported cases. The proportion of male and female reported cases was 1.39∶1. The incidence of scattered children and preschool children accounted for 95.97% of the total reported cases.The proportion of preschool children was the highest in 2011 and before,and the proportion of scattered children was the highest in 2012 and after. The reported cases were mainly concentrated in suburban areas combined with street districts. A total of 1 641 cases of HFMD and 114 cases of severe disease were diagnosed in laboratory,the detection results showed that enterovirus A71（EV-A71）,other enteroviruses andcoxsackievirus A16（CV-A16） accounted for 50.00%,42.98% and 7.02%,respectively. The repeated infection rate of HFMD in Chenghua District was 3.14%. Conclusions The prevention and control of HFMD should focus on the young and scattered children as the key population,the streets with dense population and large floating population are key areas,the nurseries as the key places,and the change of the dominant virus strains causing the disease as the focus of attention.It is necessary to strengthen health education and epidemic surveillance,adhere to the morning and noon inspection system,timely standardize the treatment of the clustered epidemic situation,reduce the total number of cases,and reduce the severity and death.

Key words: Hand-foot-mouth disease, Epidemiological characteristics, Laboratory diagnosis, Enterovirus

CLC Number:

R181.8⁺1

WEN Ya, LIU Zhijian, ZHAO Xiaoyan, CHEN Zhiqiong. Epidemiological characteristics of hand-foot-mouth disease in Chenghua District of Chengdu from 2008 to 2022. [J]OCCUPATION AND HEALTH, 2023, 39(18): 2553-2556.

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