Proviral HIV-1 
For screening of participants who failed the PhenoSense assay and post hoc for all participants receiving the bNAb combination, SGA, sequencing and genotypic analysis were performed on proviral HIV-1 For participants in whom these primers did not amplify All primer sequences, an overview of which primer set was used for each of the included participants and thermal cycler conditions can be found in Supplementary Table The 