ERVW-1 and infection: These differences could be linked to the fact that, in our study, shorts segments of the env gene were analyzed and that our specimen collection was mostly composed of HIV-1 subtype B. Nevertheless, by 130 days of infection, the sensitivity (true recent infected individuals correctly classified) of Moyo et al., 2016 [73] study was 79.37% and established (specificity) 72.57% at PwD cut-off of 0.005.