Fig. 1.

CD4⁺ T-cell counts (A) and plasma viral loads (VL, B) of enrolled HIV subjects per study group. Inclusion criteria for subjects enrolled are explained in Materials and Methods. Horizontal lines stand for median values. HIV⁺-P: HIV positive partners, ESN: Exposed HIV seronegative individuals, CT: Chronically HIV transmitters subjects C: Chronics. P values were calculated using a Mann-Whitney U test. Asterisks denote different p values: ***, p < 0.005,