Molecular epidemiology and clinical characteristics of herpangina children in Beijing, China: a surveillance study

PeerJ

Qing-Bin Lu¹  Juan Du¹  Yaqiong Liu¹  Tian-Shuo Zhao¹  Fuqiang Cui¹  Yan Cui²  Hong-Jun Li²  Yanna Yang² 

[1] Department of Laboratorial Science and Technology, School of Public Health, Peking University, Beijing, China;Institute for Infectious Diseases and Endemic Diseases Prevention and Control, Beijing Tongzhou Center for Diseases Control and Prevention, Beijing, China;

关键词: Herpangina;    Coxsackievirus;    Children;    Enterovirus;   

DOI  :  10.7717/peerj.9991

来源: DOAJ

【 摘 要 】

Background Herpangina is a highly infectious disease, which is usually prevalent in preschool children. Methods This study analyzed the clinical and pathogenic characteristics of herpangina children to demonstrate the epidemiology of herpangina. Clinical manifestations, laboratory indicators and pharyngeal swabs were collected from children with herpangina who were monitored by Tongzhou Center for Disease Control and Prevention in Beijing, 2008. Utilizing pharyngeal swabs, virus extraction and amplification were performed for nucleotide identification and sequencing. The phylogenetic analysis was conducted based on all sequences amplified in this study and strains retrieved from GenBank. Results Among 190 children with herpangina, 69.0% (131/190) were positive for enterovirus. Eight genotypes were identified, mainly including CV-A6 (39/131), CV-A4 (25/131), CV-A10 (24/131). The phylogenetic analysis showed one CV-A6 strain of Tongzhou was imported from Japan. CV-A10 strains were clustered into five groups (A-E). The dominant cluster of CV-A10 was Group E6 between 2009 and 2013, and converted to Group E5 after 2013. CV-A6 was the predominant pathogen causing herpangina in Tongzhou in 2018, followed by CV-A4 and CV-A10. Conclusions The circulation of coxsackievirus had spatiotemporal cluster. In controlling the transmission of herpangina, the surveillance and reporting system should be enhanced.

【 授权许可】

Unknown