Abstract
Coxsackievirus A6 emerged as one of the predominant causative agents of hand, foot and mouth disease epidemics in many provinces of China in 2013 and 2015. This virus strain accounted for 25.9% of mild and 15.2% of severe cases in 2013 and 25.8% of mild and 16.9% of severe cases in 2015.
Highlights
Coxsackievirus A6 emerged as one of the predominant causative agents of hand, foot and mouth disease epidemics in many provinces of China in 2013 and 2015
The Study Since June 2009, clinical specimens must be collected from all severe HFMD cases, and the first 5 reported mild cases in each county of China every month and are tested for enteroviruses at local CDCs using PCR [10]
For specimens testing positive for other enteroviruses, further serotyping is not conducted as a routine practice, but some local CDCs with more laboratory capacity may select a subset of these specimens to test on the serotype at their own discretion, especially when the proportion of other enteroviruses detected was relatively high
Summary
Coxsackievirus A6 emerged as one of the predominant causative agents of hand, foot and mouth disease epidemics in many provinces of China in 2013 and 2015. The Study Since June 2009, clinical specimens must be collected from all severe HFMD cases, and the first 5 reported mild cases (case classification criteria in the online Technical Appendix, https://wwwnc.cdc.gov/EID/article/24/10/171953-Techapp1.pdf) in each county of China every month and are tested for enteroviruses at local CDCs using PCR (online Technical Appendix) [10]. For specimens testing positive for other enteroviruses, further serotyping is not conducted as a routine practice, but some local CDCs with more laboratory capacity may select a subset of these specimens to test on the serotype at their own discretion, especially when the proportion of other enteroviruses detected was relatively high.
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