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Trans R Soc Trop Med Hyg. 1999 May-Jun;93(3):275-7.

Evaluation of the direct agglutination test (DAT) using freeze-dried antigen for the detection of anti-Leishmania antibodies in stored sera from various patient groups in Ethiopia.

Author information

  • 1Department of Biomedical Research, Royal Tropical Institute, Amsterdam, The Netherlands. l.oskam@kit.nl

Abstract

Tests on a panel of 421 serum samples from Ethiopia and 11 from Europe with the direct agglutination test (DAT) and freeze-dried antigen (Leishmania donovani 1S) showed that a cut-off titre of 1:200 or 1:400 could be employed. Using a cut-off titre of 1:400, 181 (88.3%) of 205 serum samples from visceral leishmaniasis (VL) patients tested positive, as did 5 (13.9%) of 36 sera from patients with localized cutaneous leishmaniasis, 5 (71.4%) sera from 7 patients with diffuse cutaneous leishmaniasis and 8 (89.9%) sera from 9 HIV-positive VL patients. We also found that 19 (57.6%) sera from 33 treated VL patients were still positive in the DAT at 1.5 to 5 years after treatment.

PMID:
10492758
[PubMed - indexed for MEDLINE]
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