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. Author manuscript; available in PMC: 2016 Feb 8.
Published in final edited form as: Sci Transl Med. 2010 Sep 22;2(50):50le1–50lr1. doi: 10.1126/scitranslmed.3001416

Fig. 1.

Fig. 1

Maximum likelihood tree with the sequences from (1) available in GenBank plus 89 subtype B reference sequences and four subtype D reference sequences. Sequences from (1) are color-coded as source and recipient; clades are labeled according to content. Sequences labeled “unknown” (gray) did not have subject identifiers in GenBank, but rather were designated “unknown source” in (1). The clade corresponding to the subtype D reference sequences is labeled; all other black branches correspond to subtype B reference sequences.