Rollover Study Protocol for Pediatric Patients in South Africa for Continued Access to Emtricitabine

Key Inclusion Criteria: * Complete or have previously completed at least through the Week 96 Visit (i.e., 96 weeks on study) for the FTC-203 study. * Complete all End-of-Study Visit procedures for the FTC-203 study. * Either (a) have a plasma HIV-1 RNA viral load of ≤ 400 copies/mL at the End-of-Study Visit for the FTC-203 study, or (b) if the subject's plasma HIV-1 RNA viral load at the End-of-Study Visit for FTC-203 study is \> 400 copies/mL, their viral load is \< 1.0 log10 above the nadir recorded after Week 8 of the FTC-203 study and there is reliable genotypic evidence showing a lack of resistance to emtricitabine. * A parent or other legal guardian has provided written informed consent to the subject participating in the rollover protocol. As applicable, based on the subject's age and normal institution practice, the subject should additionally provide their written informed consent or assent to participate in the rollover protocol. Note: Other protocol defined Inclusion/Exclusion criteria may apply.