| C27 | Substantial increase in HIV risk behaviors and poor PrEP adherence among men who have sex with men during the COVID-19 pandemic: an observational longitudinal study in four cities of China | E-poster | PrEP |
| D84 | Structured support groups improves PrEP uptake among female sex workers in Nairobi: a case study of BHESP | On-demand oral abstract session | Sex workers |
| D55 | Structural vulnerability and the impacts of the COVID-19 pandemic on HIV risk behaviors and prevention needs among people who inject drugs | On-demand oral abstract session | Qualitative and ethnographic methods in HIV research |
| C39 | Strategies used in countries with successful mother-infant pair tracking | E-poster | PMTCT, including services for vulnerable populations |
| D51 | Strategies to prevent HIV mother-to-child transmission through breastfeeding: results of a national survey in Brazilian Maternity Hospitals, 2020 | E-poster | Monitoring and evaluation of health systems |
| D96 | Stigma, survival, and social support: exploring lived experiences of antiretroviral therapy among young gay and bisexual men, sex workers, and transgender women living with HIV in Jamaica | E-poster | Antiretroviral therapy, including treatment as prevention |
| C27 | STI incidence among participants in the HIV Pre-exposure Prophylaxis (PrEP) impact trial in England | On-demand oral abstract session | PrEP |
| C40 | State-level clustering in PrEP implementation factors among family planning clinics in the Southern United States | E-poster | Integration of family planning and HIV services |
| A22 | STAT modulation as strategy to improve NK cell cytotoxicity against HIV and cancer | On-demand oral abstract session | Immunotherapy: Immune-Modifying Agents |
| D86 | Stakeholder experiences of an intervention for provision of HIV self-testing kits and contraception to adolescent girl and young women in privately-owned drug shops in sub-Saharan Africa | E-poster | Adolescent girls and young women |