Origin of T/F and chronic HIV-1 <i>env</i> clones.

aSPD = source plasma donors who denied having sex for money or with multiple partners, homosexual activity, injection drug use, or receiving a blood transfusion or a tattoo in the preceding six months; HSX = heterosexual exposure. bdefined in [40]; n/a = not applicable for subjects enrolled in chronic cohorts. cIMC from subject also tested, see Table 2. dmultiple Env clones from single subject. eEnv differs from “rake” consensus by a single amino acid. fKappes et al., manuscript in preparation. gSANBS = South African National Blood Service; ZEHRP = Zambia-Emory HIV Research Project; CHAVI = Center for HIV/AIDS Vaccine Immunology; TDRC = Tropical Diseases Research Centre.