Extended Follow-Up of the ISS T-003 Trial Volunteers (ISS T-003 EF-UP2020)

A further extension of the follow-up of the volunteers of the ISS T-003 trial is being conducted in order to evaluate the persistence of vaccine immunogenicity as well as of the immunological and virological effects induced by the therapeutic immunization with Tat after about 10 years from vaccination.

Inclusion Criteria:previous participation in the ISS T-003 EF-UP study without withdrawal of consent;availability to participate in the ensuing extended follow-up study;signed informed consent.Exclusion Criteria:The absence of any of the above criteria will exclude the participants from the study.