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Intra-Patient Clustering of HIV-1 env quasi-species. Maximum Likelihood (ML) topology view tree depicting full-length HIV-1 env sequences from fifteen experimental subjects is shown. For each subject, all sequences from both compartments (plasma and CSF) are shown. Each subject forms a tight cluster and is distinct from other experimental subjects with aLRT SH-like supports >95% for all inter-subject clusters. HXB2 was used as an outgroup.
