Objective: To analyze the epidemiological characteristics, etiological surveillance, and clustering epidemic of hand-foot-mouth disease (HFMD) in Jinniu district of Chengdu from 2017 to 2023, so as to provide basis for the prevention and control strategy of HFMD. Methods: Descriptive epidemiological research methods were used to analyze the HFMD surveillance data in Jinniu district of Chengdu, from 2017 to 2023. Results: From 2017 to 2023, a total 12 960 cases of HFMD were reported in Jinniu district, with an annual incidence rate of 64.05/100 000 to 305.95/100 000; except for a few years, the number of began to increase in May each year, with the overall seasonal epidemic peaks occurring from May to July and from September to November. The male-to-female ratio of cases was 1.4∶1; the cases were mainly concentrated in children aged 0-＜6 years, accounting for 90.75% of the total number of cases; the most cases were scattered children, followed by children in kindergartens, accounting for 92.93% of the reported cases. The results of enterovirus monitoring showed that other enteroviruses, CVA16, and CVA6 were the main pathogens accounting for 59.75%, 15.56%, and 14.57%, respectively. The clustering epidemic was mainly concentrated from to July and from September to November, mainly occurring in kindergartens, accounting for 96.08% of the total; events with 2-5 cases were the most common, accounting for 93.56%. Conclusion: The prevention and control of HFMD should focus on young and scattered children, a particular emphasis on the changing dominant strains causing the disease. Outbreaks in Jinniu district mainly occurred in kindergartens, especially from May to and from September to November, during which targeted measures should be taken to reduce the occurrence and spread of the epidemic.
HE Min
. Epidemiological characteristics and outbreak features of hand-foot-mouth disease in Jinniu district of Chengdu from 2017 to 2023[J]. Journal of Baotou Medical College, 2025
, 41(6)
: 21
-25
.
DOI: 10.16833/j.cnki.jbmc.2025.06.005
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