Figure 2. HIV-1 antiretroviral resistance patterns in 70 participants experiencing viral rebound on first-line therapy in the CIPRA-SA^b study in South Africa.

^a Participants on a PIs-based regimen are represented by black asterisks, if they were also exposed to sdNVP to prevent mother-to-child-transmission the asterisks is red.

^b CIPRA-SA is the Comprehensive International Program of Research on AIDS-South Africa.