RV630 - Approach to Control HIV With Immune Enhancement and Vaccination (ACHIEV

VRC07-523LS (VRC-HIVMAB075-00-AB) is a recombinant human immunoglobulin G1 (IgG1) broadly neutralizing monoclonal antibody (bNAb) directed against the HIV-1 CD4 binding site

PGDM1400LS is a recombinant human IgG1 bNAb targeted against the HIV-1 V2 apex epitope region.

ChAdOx1.tHIVconsv1 is a replication-deficient virus expressing six conserved sub-protein regions of Gag and Pol (regions 1-6) of HIV-1 as one chimeric protein designated HIVconsv1.

ChAdOx1.HIVconsv62 is a replication-deficient virus expressing six conserved sub-protein regions of Gag and Pol (regions 1-6) of HIV-1 as one chimeric protein designated HIVconsv62.

MVA.tHIVconsv4 is a recombinant, non-replicating Modified Vaccinia Ankara (MVA) virus expressing six conserved sub-protein regions of Gag and Pol (regions 1-6) of HIV-1 as one chimeric protein designated tHIVconsv4.

A244d11 gp120, consists of the gp120 envelope glycoprotein HIV-1 subtype CRF\_01AE A244 derived from the CM244 CRF\_01AE strain, with an 11 amino N-terminal deletion. It is a modification of the A244 rgp120 immunogen from the AIDSVAX®B/E vaccine.

ALFQ (Army Liposome Formulation, ALF) is a liposomal adjuvant containing a synthetic

Normal saline (0.9% sodium chloride for injection) will be used as a placebo.