EV-A	Enterovirus alphacoxsackie
CVA	Coxsackievirus A
SAPs	Single amino acid polymorphisms
SAAPS	Single Amino Acid Polymorphism Statistics
kSAPs	Key SAP sites
HFMD	Hand, foot, and mouth disease
ORF	Open reading frame
ML	Maximum Likelihood
NJ	Neighbor-Joining
PCA	Principal Component Analysis
IC	Information Content
OPTICS	Ordering Points to Identify the Clustering Structure
DEGs	Differentially expressed genes
KEGG	Kyoto Encyclopedia of Genes and Genomes
GO	Gene Ontology
ICTV	The International Committee on Taxonomy of Viruses
NCBI	The National Center for Biotechnology Information