A very particular case of long-term non-progressor: nineteen consecutive years of follow-up in the absence of any detectable HIV-1 viraemia

A case of extremely prolonged non-progression of HIV-1 infection, characterized by 19 consecutive years of persistently undetectable viraemia (or no laboratory markers of HIV replication) is presented and discussed based on recent literature issues regarding virological and immunological outcome of the natural history of HIV-1 infection.