The direct agglutination test (DAT) was performed on 480 serum samples from suspected cases of visceral leishmaniasis (VL) in different parts of Bangladesh. Significant titres (> or = 1:3200) were found in 257 sera (53.5%). All patients with positive bone-marrow aspirates also had significant DAT titres. The male:female seroprevalence ratio was 2:1 and the age-group 0-20 years was the most affected. The DAT proved a simple, economical and reliable diagnostic test for VL.
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El-Masum et al. (1995) studied this question.
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