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. 1998 Oct;72(10):7772–7784. doi: 10.1128/jvi.72.10.7772-7784.1998

FIG. 6.

FIG. 6

FIG. 6

(Left) Phylogenetic analysis of sequences from patient 4. Two major groups, A and B, are identified. ∗, a recombinant of groups A and B. (Right) Frequency distribution of groups A and B in plasma and PBMC preimmunization and in plasma postimmunization.