Figure 1. Phylogenetic relationships among tickborne flaviviruses based on a 376-bp fragment of the ns5 gene. Distance analysis omitting third position nucleotides. Branch numbers are bootstrap confidence estimates on the basis of 500 replicates. GenBank accession numbers in parentheses. LI = Louping Ill; TBE-West = Western subtype tickborne encephalitis (Central European encephalitis); POW = Powassan virus; DTV = deer tick virus.
The opinions expressed by authors contributing to this journal do not necessarily reflect the opinions of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.