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Phylogenetic tree of flaB sequences amplified from skin biopsy specimens obtained from patients in Missouri (the 5 sequences in this study were designated DLF1–DLF5), Borrelia burgdorferi B31 (GenBank accession number AE001126), Borrelia lonestari (GenBank accession number AF273670), and Borrelia species LB-2001 (GenBank accession number AY024344). The bar represents a 2% sequence divergence.
