| D20 | Effect of COVID-19 pandemic on antiretroviral treatment use for HIV in the United States, 2020 | E-poster | Adaptations of HIV treatment services during COVID-19 |
| B7 | Effect of digital adherence tools on adherence to antiretroviral treatment among adults living with HIV in Kilimanjaro, Tanzania: a randomised controlled trial | E-poster | ART adherence measurement |
| B61 | Effect of dolutegravir on folate and vitamin B12 status among HIV-infected children and adolescents in the ODYSSEY trial | E-poster | Clinical trials in paediatric and adolescent populations |
| D51 | Effective supplier performance monitoring- a pre-requisite to improving the delivery of HIV/AIDS commodities in Uganda | E-poster | Monitoring and evaluation of health systems |
| C27 | Effectiveness and medication adherence of daily and event-driven pre-exposure prophylaxis regimens among Chinese men who have sex with men: a real-world CROPrEP study | E-poster | PrEP |
| D14 | Effectiveness of an enhanced patient care (EPC) intervention on viral suppression among patients living with HIV in Kenya | E-poster | Adherence to HIV treatment |
| D102 | Effectiveness of home based care model in the treatment, care and support for persons living with HIV in Turkana Central Sub County, Turkana County | E-poster | Community-based approaches, including empowerment, outreach, and service delivery |
| C48 | Effectiveness of participant-driven follow-up strategy on retention among young female sex workers in Kampala, Uganda | E-poster | Adherence to HIV prevention strategies |
| C56 | Effectiveness of strategies for generating demand for PrEP and combination prevention among adolescent´s men who have sex with men and transgender women in Brazil | E-poster | Prevention in adolescents |
| B32 | Efficacy and safety of long acting HIV fusion inhibitor albuvirtide in treatment-experienced HIV-1 infected patients: week 48 analysis from the randomized controlled phase 3 TALENT study | E-poster | ART in first- and second-line therapies |