Test results for 12 persons with reactive rapid test results classified as HIV-uninfected but who had an indeterminate WB at the last repeat confirmatory test, 17 health departments, 11 August 2004 to 31 December 2005.

<p>EIA = enzyme immunoassay, WB = Western blot, Neg = Negative, ND = Not done *Bands interpreted as equivocal</p><p>[ ] results reported by CDC lab where Genetic Systems HIV1/HIV2 Plus O and Genetic Systems HIV-1 Western blot were used unless otherwise noted</p>a<p>Vironostika HIV-1 Microelisa System, bioMerieux</p>b<p>Fluorognost Sanochemia IFA</p>c<p>Roche Cobas Amplicor HIV-1 Monitor Assay (ultra-sensitive to 50 copies/ml)</p>d<p>Gen-Probe Procleix HIV-1 RNA Assay</p>e<p>Bio-Rad HIV-1/HIV-2 plus O</p>f<p>Genetic Systems HIV-1 Western blot</p>g<p>Abbott HIVAB HIV-1/HIV-2 (rDNA) EIA</p>h<p>Cambridge Biotech HIV-1 Western blot</p>i<p>OraSure HIV-1 Western blot