One escape, Nef EEVGFPVKPQV (Nef 64–74), occurred very early in infection, and two escapes, Env RQGYSPLSFQTLIPNPRG (Env 709–726) and Gag VKVIEEKAFSPEVIPMFT (Gag 156–173), occurred late (Figure 5). Here, ERVW-1 is linked to infection.