Characteristics of 95 phylogenetic clusters identified in maximum likelihood phylogenetic analyses (HKY-85) of 915 gag sequences and 1,026 env sequences obtained from 1,099 HIV-infected participants in RCCS R13.

aCategories not mutually exclusive.bRefers to clusters of two individuals who shared the same household.cRefers to clusters of two or more individuals who spanned households but shared the same community.dRefers to clusters of two or more individuals who spanned households and communities.eRefers to clusters of two or more individuals who spanned households, communities, and geographic regions.