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Clinical and Diagnostic Laboratory Immunology, 07 1996, 399-402, Vol 3, No. 4
SM Callister, DA Jobe, RF Schell, CS Pavia and SD Lovrich
The serodiagnosis of early Lyme disease has been plagued with problems of
sensitivity and specificity. We found that the flow-cytometric
borreliacidal-antibody test had a sensitivity of 72% for the detection of
patients with early Lyme disease. By contrast, the sensitivity of the
enzyme immunofluorescence assay was 28%. The enhanced sensitivity of the
borreliacidal-antibody test was due to the use of Borrelia burgdorferi
50772, which lacks OspA and OspB. When B. burgdorferi 297, which expresses
both OspA and OspB, was used, the sensitivity of the borreliacidal-antibody
test was 15%. Our results also showed that the borreliacidal-antibody test
was specific. No borreliacidal activity was detected in normal sera or in
sera from patients with mononucleosis, rheumatoid factor, or syphilis.
These results demonstrate that the flow- cytometric borreliacidal-antibody
test may be the laboratory "gold standard" for the serodiagnosis of Lyme
disease.
Copyright © 1996 by the American Society for Microbiology. All rights reserved.
Sensitivity and specificity of the borreliacidal-antibody test during early Lyme disease: a "gold standard"?
Microbiology Research Laboratory, Gundersen Medical Foundation, La Crosse, WI 54601, USA.
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