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What is Highly specific and sensitive test for diagnosing kalaazar: March 2010 and explain in detail?
Ans. D: Immunofluorescent antibody test The direct agglutination test (Immunofluorescent antibody test) for anti-leishmanial antibody has been found to be highly specific and sensitive for diagnosing kal-azar. Complement fixation test with WKK antigen, Napier's aldehyde test and Chopra's antimony test is also positive in some other conditions like TB and leprosy