title: Multistage pooling finds acute and early infection.
mesh_terms: D015492:AIDS Serodiagnosis / Q000379:methods*; D015658:HIV Infections / Q000175:diagnosis*; D015497:HIV-1 / Q000235:genetics / Q000302:isolation & purification; D006801:Humans; D007124:Immunoenzyme Techniques; D009657:North Carolina; D016133:Polymerase Chain Reaction; D012367:RNA, Viral / Q000097:blood; D012680:Sensitivity and Specificity
chemical_list: D012367:RNA, Viral