Hybrid versus vaccine immunity of mRNA1273 among people living with HIV in East and Southern Africa a prospective cohort analysis from the multicentre CoVPN 3008 Ubuntu study - N Garrett; A Tapley; A Hudson; S Dadabhai; E et al; Fatima Laher; Tumelo Moloantoa; Anusha Nana-Kanjee; Glenda Gray; Ann Delany-Moretlwe; Azwidihwi Takalani; Sharlaa Badal-Faesen (My University, 2026)