... purposes)RetrovirologyOpen AccessResearchMechanisms of HIV non -progression; robust and sustained CD4+ T-cell proliferative responses to p24 antigen correlate with control of viraemia and lack of disease progression ... TAHIV cohort after 20 years of infec-tion [7].Early studies on this cohort of TAHIV patients led to theidentification of the Sydney Blood Bank Cohort (SBBC) of long-term survivors [8], and ... Clinical School, Faculty of Medicine, University of Sydney, Sydney, NSW, Australia, 3Centre for Immunology, St. Vincent's Hospital and University of NSW, Sydney, NSW, Australia, 4Retroviral...