| EPC120 | Prevalence of reclassification of HIV infection from recent to long-term among newly diagnosed clients and associated factors in Nigeria, March 2020 ' September 2021 | E-poster | Detecting and monitoring acute and recent HIV infections |
| EPC121 | Sociodemographic factors associated with recent HIV infection in Burundi | E-poster | Detecting and monitoring acute and recent HIV infections |
| EPC122 | Comparing HIV risk profiles of recent and long-term HIV infection cases using Population-based HIV Impact Assessment (PHIA) data from 12 countries in sub-Saharan Africa | E-poster | Detecting and monitoring acute and recent HIV infections |
| EPC123 | The sociodemographic characteristics of HIV recent infections in Benue State, Nigeria | E-poster | Detecting and monitoring acute and recent HIV infections |
| OAC0102 | Progress in scaling up HIV recent infection surveillance in 13 countries: October 1, 2019 - June 30, 2021 | Oral abstract session with live Q&A | Detecting and monitoring acute and recent HIV infections |
| OAC0103 | Use of a robust health information system to improve accuracy of recent HIV infection testing in Bangkok, Thailand, 2020-2021 | Oral abstract session with live Q&A | Detecting and monitoring acute and recent HIV infections |
| EPC097 | HIV acquisition prior to entry into formal sex work: inference from viral next generation sequencing | E-poster | Describing the spread of HIV through molecular epidemiology |
| PESAC17 | The association of HIV-1 subtypes and transmission clustering with late diagnosis: the first nationwide study in Japan | Poster exhibition | Describing the spread of HIV through molecular epidemiology |
| EPC135 | Impact of HIV/AIDS epidemics in the Brazilian border strip | E-poster | Describing the spread of HIV through geographical information systems |
| EPC136 | Geographic and risk variation in transmission clusters of HIV test recipients in Nagoya, Japan | E-poster | Describing the spread of HIV through geographical information systems |