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Volume 16, Number 9—September 2010

Letter

Toscana Virus Infection in American Traveler Returning from Sicily, 2009

Meagan K. KayComments to Author , Katherine B. Gibney, Francis X. Riedo, Olga L. Kosoy, Robert S. Lanciotti, and Amy J. Lambert
Author affiliations: Author affiliations: Centers for Disease Control and Prevention, Atlanta, Georgia, USA (M.K. Kay); Centers for Disease Control and Prevention, Fort Collins, Colorado, USA (K.B. Gibney, O.L. Kosoy, R.S. Lanciotti, A.J. Lambert); Evergreen Hospital Medical Center, Kirkland, Washington, USA (F.X. Riedo)

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Figure

Phylogeny of Toscana viruses (TOSVs) of diverse origin. Partial small (S) and medium (M) segment sequences of interest were aligned by using ClustalW (www.ebi.ac.uk/Tools/clustalw2/index.html), and neighbor-joining and maximum-parsimony trees were generated by using 2,000 bootstrap replicates with MEGA version 4 (6). Highly similar topologies and confidence values were derived by all methods, and a neighbor-joining tree generated from a comparison of 424 nt of the M segment polyprotein gene open

Figure. Phylogeny of Toscana viruses (TOSVs) of diverse origin. Partial small (S) and medium (M) segment sequences of interest were aligned by using ClustalW (www.ebi.ac.uk/Tools/clustalw2/index.html), and neighbor-joining and maximum-parsimony trees were generated by using 2,000 bootstrap replicates with MEGA version 4 (6). Highly similar topologies and confidence values were derived by all methods, and a neighbor-joining tree generated from a comparison of 424 nt of the M segment polyprotein gene open reading frame is displayed here. GenBank accession numbers appear after the location and source of isolation for each taxon. Scale bar represents the number of nucleotide substitutions per site. Of interest, the 2009 Sicilian TOSV described in this study (Sicily, human, 2009) aggregates with extreme support along with other Italian viruses, including an isolate that was derived from sandflies in Palermo, Sicily, in 1993.

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