Guardo, Alberto C Safety and vaccine-induced HIV-1 immune responses in healthy volunteers following a late MVA-B boost 4 years after the last immunization. [electronic resource] - PloS one 2017 - e0186602 p. digital Publication Type: Clinical Trial, Phase I; Journal Article; Randomized Controlled Trial ISSN: 1932-6203 Standard No.: 10.1371/journal.pone.0186602 doi Subjects--Topical Terms: AIDS Vaccines--adverse effectsAntibodies, Neutralizing--immunologyCD4-Positive T-Lymphocytes--immunologyCD8-Positive T-Lymphocytes--immunologyEnzyme-Linked Immunosorbent AssayFlow CytometryHIV Antibodies--bloodHIV-1--immunologyHealthy VolunteersHumansImmunization, SecondaryPlacebos