Clinical performance evaluation of an HIV Duo assay: From HIV screening to acute and non-acute HIV infection detection

•The Elecsys® HIV Duo assay has demonstrated a high specificity of 99.91 % (95 % CI: 99.89 %, 99.93 %) and a high PPV of 0.8516 (95 % CI: 0.8225, 0.8776), indicating that the assay is suitable for primary HIV screening in China.•The median (IQR) of the numeric cut-off index (COI) ratios of the HIV D...

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