Enterovirus Child 3 Female 3 Humans 3 Male 3 child 3 female 3 human 3 male 3 Article 2 Child, Preschool 2 Enterovirus Infections 2 Enterovirus infection 2 Epstein Barr virus infection 2 cerebrospinal fluid 2 controlled study 2 major clinical study 2 multiplex polymerase chain reaction 2 preschool child 2 virology 2 virus detection 2 Adolescent 1 Animals 1 CSF 1 Case-Control Studies 1 Central Nervous System 1 Central nervous system involvement 1 Cytomegalovirus 1 DNA extraction 1 Diarrhea 1