Test results for 17 HIV-infected persons with reactive rapid test results initially confirmed as either negative or indeterminate on Western blot or by indirect immunofluorescence, 17 health departments, 11 August 2004 to 31 December 2005.

EIA = enzyme immunoassay, IFA = immunofluorescent assay, WB = Western blot, Neg = Negative, Pos = Positive, Indet = Indeterminate, ND = Not done
If test result not bracketed, it was conducted by local laboratory.
*Bands interpreted as equivocal
[ ] results reported by CDC lab where Genetic Systems HIV1/HIV2 Plus O and Genetic Systems HIV-1 Westen blot were used unless other test indicated
aVironostika HIV-1 Microelisa System, bioMerieux
bOrasure HIV-1 Western blot
cBio-Rad HIV-1/HIV-2 plus O
dGenetic Systems HIV-1 Western blot
eFluorognost HIV-1 IFA
fCambridge Biotech HIV-1 Western blot
gbDNA Versant HIV RNA Assay (conducted 52 days after initial discordant result-viral load not reported)
hAmplicor HIV-1 Monitor v1.5
iGenetic Systems rLAV EIA
jMultispot HIV-1/HIV-2 rapid test
kUnknown
lRepeat confirmatory test not done at CDC because initial Western blot found to be positive