Figure 1.

Categories of HIV patients who have donated blood to the BioBank. NTH: new to HAART, this cohort also includes some patients who would equally fall into the FP or LTNP categories; FP: fast progressor (<300 CD4+ cells/mm³ within three years of their last negative HIV test); PF-LTNP: potential future LTNP; LTNP: long term non-progressors (which includes 10 patients with CD4+ cell counts of >500 cells/mm³ in eight years of follow-up and 3 'elite' LTNP with CD4 cell counts of >600 cells/mm3 for ten years of follow-up [3].