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Volume 23, Number 12—December 2017

Research

Bourbon Virus in Field-Collected Ticks, Missouri, USA

Harry M. SavageComments to Author , Kristen L. Burkhalter, Marvin S. Godsey, Nicholas A. Panella, David C. Ashley, William L. Nicholson, and Amy J. Lambert
Author affiliations: Centers for Disease Control and Prevention, Fort Collins, Colorado, USA (H.M. Savage, K.L. Burkhalter, M.S. Godsey, Jr., N.A. Panella, A.J. Lambert); Missouri Western State University, St. Joseph, Missouri, USA (D.C. Ashley); Centers for Disease Control and Prevention, Atlanta, Georgia, USA (W.L. Nicholson)

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Figure 2

Phylogenetic analyses of partial polymerase polymerase basic 2 sequences of selected orthomyxoviruses. Bourbon virus sequences from 2 pools of Amblyomma americanum ticks (male adults, MO-2013-1246; nymphs, MO-2013-2499) collected in Missouri, USA, during 2013 grouped with the sequence of the original Bourbon virus isolated from a man who died in Bourbon County, Kansas, USA, during 2014. The evolutionary history was inferred using the neighbor-joining method with 2,000 replicates for bootstrap te

Figure 2. Phylogenetic analyses of partial polymerase polymerase basic 2 sequences of selected orthomyxoviruses. Bourbon virus sequences from 2 pools of Amblyomma americanum ticks (male adults, MO-2013-1246; nymphs, MO-2013-2499) collected in Missouri, USA, during 2013 grouped with the sequence of the original Bourbon virus isolated from a man who died in Bourbon County, Kansas, USA, during 2014. The evolutionary history was inferred using the neighbor-joining method with 2,000 replicates for bootstrap testing. The tree is drawn to scale, with branch lengths in the same units as those of the evolutionary distances used to infer the phylogenetic tree. The evolutionary distances were computed using the Poisson correction method. Scale bar indicates number of amino acid substitutions per site.

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