| EPE357 | Optimizing Electronic Medical Record System-EMasterCard and granular data driven evidence to support program improvements in an expanded geographical area | E-poster | Approaches to using data to improve programming |
| PEMOB30 | Optimizing DTG uptake amongst children living with HIV in Ikom rural communities attending ART clinic at Comprehensive Health Center (CHC) Ikom, Cross River State | Poster exhibition | ARV management strategies in paediatric and adolescent populations |
| PESUE27 | Optimizing diagnostic technologies for pediatric HIV - function or location? Modelling analysis of point of care technologies in Matabeleland South, Zimbabwe | Poster exhibition | Approaches to effective paediatric HIV services |
| EPB198 | Optimizing ART for CALHIV by shifting PI-based ART to dolutegravir-based ART maintained and achieved viral load suppression | E-poster | ARV management strategies in paediatric and adolescent populations |
| OAA0204 | Optimization of a VLP-forming HIV-1 env-gagmRNA vaccine by inclusion of gag-pol mRNA to express the viral protease | Oral abstract session with live Q&A | Novel vectors, adjuvants and strategies |
| PESAE04 | Optimising provider-initiated indicator condition guided testing for HIV to identify undiagnosed individuals: preliminary results of a multifaceted, multicentre intervention study | Poster exhibition | Implementation science of scaling up HIV testing |
| PESUE25 | Optimal treatment and prevention mix for South Africa's UTT program | Poster exhibition | Assessments of cost effectiveness: Provider and community perspectives |
| OAB0203 | Optimal timing for ART initiation in ART-naive children and adolescents living with HIV following the diagnosis of HIV-associated TB | Oral abstract session with live Q&A | TB/HIV co-infection in paediatric and adolescent populations (including treatment and prevention) |
| EPD502 | Opportunities to leverage fatherhood goals and ideals among South African men to promote HIV testing, treatment, and prevention | E-poster | Sexual and reproductive health, fertility, family planning, pregnancy and abortion |
| EPLBC02 | Opioid-agonist therapy in Ukraine has a large potential for expansion and demonstrates significant reduction of risky injection practices and overdose among people who inject opioid drugs | E-poster | HIV prevention services for key populations |