FIG. 1.

Mamu-B*17-positive animals exhibit a range of chronic virus loads. The mean chronic-phase (>10 weeks postinfection) virus loads of 185 SIV-infected Indian rhesus macaques were divided into Mamu-B*17-positive and -negative groups. Animals that express Mamu-B*08 were removed from analysis because they are highly disposed to control SIVmac239 replication (36). Animal r98016, which expresses both Mamu-B*17 and -B*08, is included here. The horizontal lines through each grouping represent the mean virus loads of that group. The horizontal line at 1 × 10³ vRNA cEq/ml plasma is the cutoff for EC status, as previously reported (36).