"Intra-Shipment Reproducibility of HIV-1 Western Blot Results Reported in Ten Shipment Periods by Laboratories Participating in the CDC MPEP."

According to an abstract submitted by the authors to the 3rd Conference on Retroviruses and Opportunistic Infections, held January 28 - February 1, 1996, in Washington, DC, "The CDC Model Performance Evaluation Program (MPEP) evaluates the quality of performance of laboratories that test for HIV-1 antibody (Ab). As part of the Performance evaluation process. intra-shipment reproducibility of HIV-1 Western blot (WB) results was assessed by sending duplicate samples in panels of HIV-1 Ab-negative, Ab-strong positive, and Ab-weak positive samples to participating laboratories in ten shipments sent from September 1990 to January 1995. The HIV-1 antibody reactivity of donor samples in these...

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