Abstract
We compared the two formats of rKE16 antigen-based rapid tests, a flowthrough test (KEFT) and a lateral flow test (KELF), with the rK39 rapid test for the diagnosis of visceral leishmaniasis. Sensitivities with KEFT (99%, 198/200) and rK39 (99.5%, 199/200) were comparable and higher than that with KELF (95.5%, 191/200). In the control groups comprising subjects with diseases from areas of nonendemicity or endemicity and subjects with different diseases, the specificities were comparable for all three rapid tests, except that specificity was higher with KELF in the controls from areas of endemicity.
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