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What is Kala-azar ?...

What is Kala-azar ?

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(i)Kala-azar or visceral leishmaniasis is a protozoan disease caused by Leishmania donovani,
(ii)It is transmitted by the vector Phlebotomus (sand fly ).
(iii)Infection may occur in the endothelial cells, bone marrow, liver , lymph glands and blood vessels of the spleen.
(iv)Symptoms of Kala azar are weight loss, anaemia , fever , enlargement of spleen and liver.
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