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| Epidemiological characteristics of hand, foot, and mouth disease in Huzhou City from 2013 to 2023 |
| LIU Yan, ZHANG Zizhe, WANG Yuda, LIU Guangtao, SHEN Jianyong
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| Huzhou Center for Disease Control and Prevention, Huzhou, Zhejiang 313000, China |
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Abstract Objective To investigate the epidemiological characteristics of hand, foot, and mouth disease (HFMD) in Huzhou City, Zhejiang Province from 2013 to 2023, so as to provide the basis for improving HFMD prevention and control measures. Methods Data on HFMD cases in Huzhou City from 2013 to 2023 were collected through the Infectious Disease Reporting Information System of Chinese Disease Prevention and Control Information System. The epidemiological and etiological characteristics of HFMD cases were described. Results A total of 61 093 HFMD cases were reported in Huzhou City from 2013 to 2023, with an average annual reported incidence of 181.89/105, showing no significant trend (AAPC=1.855%, P>0.05). The peak incidence of HFMD was reported from May to July, with a second peak from October to December. The average annual reported incidence of HFMD in males was higher than in females (206.93/105 vs. 155.74/105, P<0.05). The majority of cases were children aged under 5 years, with 48 936 cases (80.10%). The highest average annual reported incidence was observed in the children aged 1 year (5 767.62/105). The majority of cases were scattered children, with 33 508 cases (54.85%). Anji County and Wuxing District had relatively high average annual reported incidences of HFMD, at 211.68/105 and 210.43/105, respectively. Among the 2 791 laboratory-confirmed HFMD cases, 246, 600, and 1 945 cases tested positive for enterovirus 71 (EV71), Coxsackievirus A16, and other enteroviruses, respectively. Children aged under 5 years accounted for 87.39%, 75.67%, and 82.57% of the cases positive for the corresponding virus types, respectively. From 2013 to 2023, other enteroviruses had a relatively high positive proportion, while the positive proportion of EV71 decreased after 2014. Conclusions The reported incidence of HFMD in Huzhou City remained relatively stable. The peak incidence occurred from May to July. Males, children aged under 5 years, and scattered children were the key populations for prevention and control. Anji County and Wuxing District were high-incidence areas, and other enteroviruses were the predominant pathogens.
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Received: 23 December 2024
Revised: 25 February 2025
Published: 23 July 2025
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