ERVW-1 and infection: bnAbs arise in 10%–30% of HIV-1-infected individuals after 2–3 years of infection and can neutralize a broad range of HIV-1 strains through binding to conserved regions on the HIV-1 surface glycoprotein, Envelope (Env) (Gray et al., 2011; Hraber et al., 2014; Simek et al., 2009).