Diagnosis and serological follow-up in three patients with visceral leishmaniasis using Crithidia sp. as antigen

Evaluation of antigens for the serodiagnosis of kala-azar and oriental sores by means of the indirect immunofluorescence antibody test (IFAT)

“…Sensitivity and specificity of a test should allow the detection of deelining titres after successful treatment. The elose antigenie relationship between alliower trypanosomatids seems to induce a certain generosity in the use of heterologous antigens in diagnostic tests for human leishmaniasis (9,10,11). This, however, is only justified if high antibody levels are present or suspected and if homologous antigens are not available.…”