Prospective cohort of healthy volunteers, whose HIV seronegative status and high-resolution HLA genotype is documented, for whom biological samples (plasma and PBMC) — stored in the IrsiCaixa AIDS Research Institute retrovirology laboratory biobank — are available for use in the study of immunological aspects of HIV infection and related diseases.

• Design: Cohort study, Prospective
• Sample size: 45 (40 active)
• CEIC Code: EO-09-070