[Determination of circulating antibodies in cutaneous leishmaniasis by immunofluorescence test].

Using a gradient purified leishmania donovani infantum antigen, the sensitivity and specificity of the IIF test in detecting anti-leishmania antibodies are investigated. The "purified" antigen increases the specificity and sensitivity of the IIF test, at the same time, eliminating false positiviness caused by connective diseases, tuberculosis, etc.