Fourth-generation assays for the simultaneous detection of human immunodeficiency virus
(HIV) antigen and antibody that were available on the international market until now have …

ABSTRACT The VIDAS HIV DUO Ultra, a fourth-generation immunoassay under
development for the simultaneous detection of human immunodeficiency virus type 1 (HIV-1) …

Combined antigen and antibody screening (fourth-generation) assays reduce the diagnostic
window period between the time of human immunodeficiency virus (HIV) infection and …

Fourth-generation screening assays which permit a simultaneous detection of human
immunodeficiency virus (HIV) antigen and antibody reduce the diagnostic window on …

In order to reduce the diagnostic window between the time of human immunodeficiency
virus (HIV) infection and laboratory diagnosis, new screening enzyme-linked …

ABSTRACT A collaborative multicenter study was conducted to evaluate the sensitivity,
specificity, and precision of a three-step, fully automated, qualitative microparticle-based …

Fourth‐generation human immunodeficiency virus‐1 (HIV‐1) screening assays have
improved sensitivity, but vary in performance characteristics. The purpose of this study was …

BACKGROUND: Recent improvements in the sensitivity of immunoassays (IA) used for HIV
screening, coupled with increasing recognition of the importance of rapid point-of-care …

Three fourth-generation antigen/antibody combination assays (Elecsys, AxSYM, Architect
HIV) and two third-generation (AxSYM, Centaur) HIV antibody immunoassays were …

Objective: We evaluated the performance of the GS fourth-generation antigen/antibody
assay and compared Centers for Disease Control and Prevention's (CDC's) proposed …