Epidemiological and genetic characteristics of enteroviruses associated with hand, foot, and mouth disease in Jiaxing, China from 2019 to 2022

Abstract Hand, foot, and mouth disease (HFMD) is mainly caused by enteroviruses (EVs) and represents an important public health problem in China. The aim of this study was to investigate the epidemiological and genetic characteristics of EVs associated with HFMD in Jiaxing City in 2019–2022. In tota...

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Main Authors: Shencong Lv, Yamei Zhou, Jimei Ji, Yong Yan, Guoying Zhu
Format: Article
Language:English
Published: Nature Portfolio 2025-04-01
Series:Scientific Reports
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Online Access:https://doi.org/10.1038/s41598-025-99251-x
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author Shencong Lv
Yamei Zhou
Jimei Ji
Yong Yan
Guoying Zhu
author_facet Shencong Lv
Yamei Zhou
Jimei Ji
Yong Yan
Guoying Zhu
author_sort Shencong Lv
collection DOAJ
description Abstract Hand, foot, and mouth disease (HFMD) is mainly caused by enteroviruses (EVs) and represents an important public health problem in China. The aim of this study was to investigate the epidemiological and genetic characteristics of EVs associated with HFMD in Jiaxing City in 2019–2022. In total, 1807 clinical specimens collected from patients with HFMD were evaluated by real-time reverse transcription polymerase chain reaction, and 1553 EV-positive specimens were detected, including 1018 coxsackievirus A6 (CVA6), 301 coxsackievirus A16 (CVA16), 94 coxsackievirus A10 (CVA10), 7 enterovirus A71 (EV-A71), and 133 other EVs. A phylogenetic analysis revealed that the subgenogroups CVA6 D3a, CVA10 F, and CVA16 B1a B1b were predominant in Jiaxing. Compared with VP1 of the prototype strains of CVA6, CVA10, and CVA16, 34, 36, and 31 amino acid substitutions were detected, respectively. Children aged 1–5 years accounted for the majority of cases, and the infection rate was higher in males than in females. EV infection cases were clearly affected by the COVID-19 epidemic, with decreases in 2020 corresponding to the implementation of protective measures. These findings add to the global genetic resources for EVs and demonstrate the epidemiological characteristics and genetic features of HFMD in Jiaxing.
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spelling doaj-art-9310ae902f7547569902a1e0a130d66e2025-08-20T02:19:07ZengNature PortfolioScientific Reports2045-23222025-04-0115111110.1038/s41598-025-99251-xEpidemiological and genetic characteristics of enteroviruses associated with hand, foot, and mouth disease in Jiaxing, China from 2019 to 2022Shencong Lv0Yamei Zhou1Jimei Ji2Yong Yan3Guoying Zhu4Jiaxing Center for Disease Control and PreventionJiaxing Center for Disease Control and PreventionJiaxing Center for Disease Control and PreventionJiaxing Center for Disease Control and PreventionJiaxing Center for Disease Control and PreventionAbstract Hand, foot, and mouth disease (HFMD) is mainly caused by enteroviruses (EVs) and represents an important public health problem in China. The aim of this study was to investigate the epidemiological and genetic characteristics of EVs associated with HFMD in Jiaxing City in 2019–2022. In total, 1807 clinical specimens collected from patients with HFMD were evaluated by real-time reverse transcription polymerase chain reaction, and 1553 EV-positive specimens were detected, including 1018 coxsackievirus A6 (CVA6), 301 coxsackievirus A16 (CVA16), 94 coxsackievirus A10 (CVA10), 7 enterovirus A71 (EV-A71), and 133 other EVs. A phylogenetic analysis revealed that the subgenogroups CVA6 D3a, CVA10 F, and CVA16 B1a B1b were predominant in Jiaxing. Compared with VP1 of the prototype strains of CVA6, CVA10, and CVA16, 34, 36, and 31 amino acid substitutions were detected, respectively. Children aged 1–5 years accounted for the majority of cases, and the infection rate was higher in males than in females. EV infection cases were clearly affected by the COVID-19 epidemic, with decreases in 2020 corresponding to the implementation of protective measures. These findings add to the global genetic resources for EVs and demonstrate the epidemiological characteristics and genetic features of HFMD in Jiaxing.https://doi.org/10.1038/s41598-025-99251-xHand, foot, and mouth diseaseEnterovirusEpidemiologyGenetic characteristicsAmino acid mutation
spellingShingle Shencong Lv
Yamei Zhou
Jimei Ji
Yong Yan
Guoying Zhu
Epidemiological and genetic characteristics of enteroviruses associated with hand, foot, and mouth disease in Jiaxing, China from 2019 to 2022
Scientific Reports
Hand, foot, and mouth disease
Enterovirus
Epidemiology
Genetic characteristics
Amino acid mutation
title Epidemiological and genetic characteristics of enteroviruses associated with hand, foot, and mouth disease in Jiaxing, China from 2019 to 2022
title_full Epidemiological and genetic characteristics of enteroviruses associated with hand, foot, and mouth disease in Jiaxing, China from 2019 to 2022
title_fullStr Epidemiological and genetic characteristics of enteroviruses associated with hand, foot, and mouth disease in Jiaxing, China from 2019 to 2022
title_full_unstemmed Epidemiological and genetic characteristics of enteroviruses associated with hand, foot, and mouth disease in Jiaxing, China from 2019 to 2022
title_short Epidemiological and genetic characteristics of enteroviruses associated with hand, foot, and mouth disease in Jiaxing, China from 2019 to 2022
title_sort epidemiological and genetic characteristics of enteroviruses associated with hand foot and mouth disease in jiaxing china from 2019 to 2022
topic Hand, foot, and mouth disease
Enterovirus
Epidemiology
Genetic characteristics
Amino acid mutation
url https://doi.org/10.1038/s41598-025-99251-x
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