FIG. 2.

Replication in cells with high levels of CD4 and CCR5 receptors (JC53). Each graph shows the p24 production 7 days after infection for virus with early-infection V1-V5 segments (black bars) and viruses with chronic-infection V1-V5 sequences (white bars). Note that the y axis scale, which depicts p24 levels, is different in each graph. The subject identification is denoted above each graph, and the V1-V5 segment identification is below each column. All infection levels represent mean values from two or more independent experiments. The error bars show the standard deviations.