To analyze the genetic characteristics of echovirus 6(E6)isolated from meningitis and encephalitis cases in Shandong Province,China,we collected cerebrospinal fluid samples from meningitis and encephalitis cases in Shandong Province from 2007to 2012for virus isolation.Viral RNAs were extracted from positive isolates,and complete VP1coding regions were amplified by RT-PCR and sequenced.Homology comparison and phylogenetic analysis were performed.Six isolates were identified as E6by microneutralization assay ...