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Zoology
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4 Feb 2009 19:10:45 IST
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Visceral leishmaniasis (VL), also known as kala-azar and black fever, is the most severe form of leishmaniasis. Leishmaniasis is a disease caused by protozoan parasites of the Leishmania genus. It is the second-largest parasitic killer in the world (after malaria), responsible for an estimated 500 000 deaths each year worldwide.[1] The parasite migrates to the internal organs such as liver, spleen (hence 'visceral)' and bone marrow and if left untreated will almost always result in the death of the host. Signs and symptoms include fever, weight loss, anemia and substantial swelling of the liver and spleen. Of particular concern, according to the World Health Organization (WHO), is the emerging problem of HIV/VL co-infection












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