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山东大学学报 (医学版) ›› 2023, Vol. 61 ›› Issue (5): 90-95.doi: 10.6040/j.issn.1671-7554.0.2023.0027

• 公共卫生与管理学 • 上一篇    

2021年济宁市柯萨奇病毒A16型流行特点及全基因组特征

王珊1,2,焦伯延2,冯强3,段延华2,温红玲1   

  1. 1.山东大学公共卫生学院, 山东 济南 250012;2.济宁市疾病预防控制中心, 山东 济宁 272000;3.济宁市任城区疾病预防控制中心, 山东 济宁 272000
  • 发布日期:2023-05-15
  • 通讯作者: 温红玲. E-mail:wenhongling@sdu.edu.cn
  • 基金资助:
    山东省医药卫生科技发展计划项目(202112060725);山东省学校卫生协会科研课题(SDWS2022046)

Epidemic and whole genome characteristics of coxsackievirus A16 in Jining in 2021

WANG Shan1,2, JIAO Boyan2, FENG Qiang3, DUAN Yanhua2, WEN Hongling1   

  1. 1. School of Public Health, Shandong University, Jinan 250012, Shandong, China;
    2. Jining Center for Disease Control and Prevention, Jining 272000, Shandong, China;
    3. Renchen Center for Disease Control and Prevention, Jining 272000, Shandong, China
  • Published:2023-05-15

摘要: 目的 了解济宁市2021年柯萨奇病毒A16 型(CV-A16)流行特点和全基因组特征。 方法 2021年1月至12月采集济宁市疑似手足口病患者粪便标本513份,进行CV-A16型病毒核酸检测和病毒分离,对分离的4株CV-A16进行全基因组测序和生物信息学分析。 结果 共检出CV-A16型36例,阳性率为7.02%(36/513),其中7~9月阳性率最高。4株毒株VP1基因位于B1a和B1b两个进化分支。与原型株G-10(CAU05876)相比,4株毒株核苷酸和氨基酸同源性分别为77.5%~78.0%和94.7%~94.9%。4株毒株编码蛋白均发生多处氨基酸变异。 结论 CV-A16是2021年引起济宁市手足口病的主要病原体之一,在济宁市流行的主要是B1a和B1b两个亚型,需要加强手足口病监测力度。

关键词: 手足口病, 柯萨奇病毒A16, 全基因组测序

Abstract: Objective To analyze the epidemic and whole genome characteristics of coxsackievirus A16(CV-A16)in Jining in 2021. Methods A total of 513 stool samples were collected from patients with hand, foot and mouth disease(HFMD), which were then underwent nucleic acid detection of CV-A16 and virus isolation. Whole genome sequencing and bioinformatics analysis were performed on 4 CV-A16 strains. Results Altogether 36 cases were positive for CV-A16, with a positive rate of 7.02%(36/513). The positive rate was the highest from July to September. The 4 strains were distributed in B1a and B1b branches. Compared with prototype strain G-10(CAU05876), the 4 strains had homology of nucleotide and amino acid of 77.5%-78.0% and 94.7%-94.9%, respectively. There were multiple amino acid changes in the encoded proteins of the 4 strains. Conclusion CV-A16 was one of the main pathogens of HFMD in Jining in 2021, including B1a and B1b subtypes. The surveillance of the disease should be strengthened.

Key words: Hand, foot and mouth disease, Coxsackievirus A16, Whole genome sequencing

中图分类号: 

  • R373.2
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