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Dispatches

A Focus of Deer Tick Virus Transmission in the Northcentral United States

Gregory D. Ebel, Ivo Foppa, Andrew Spielman, and Sam R. Telford, III
Harvard School of Public Health, Boston, Massachusetts, USA


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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.


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Figure 2. Phylogenetic relationships among tickborne flaviviruses on the basis of a 575-bp fragment of the envelope 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; SSE = Spanish sheep encephalitis; TSE = Turkish sheep encephalitis; GGE = Greek goat encephalitis; TBE-West = Western subtype tickborne encephalitis (Central European encephalitis); OHF = Omsk hemorrhagic fever; TBE-East = Eastern subtype tickborne encephalitis (Russian spring-summer encephalitis); KFD = Kyasanur Forest disease; POW = Powassan encephalitis; DTV = deer tick virus; SRE = Saumarez Reef virus; TYU = Tyuleniy virus; YF = yellow fever.

 

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