Kala-azar and Oriental Sore are spread by

housefly

bed bug

sand fly

fruit fly.

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33 Years NEET-AIPMT Chapterwise Solutions - Biology 2020 (MTG)

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(c) : Visceral leishmaniasis, also known as kala-azar and black fever, is the most severe form of leishmaniasis, a disease caused by parasites of the Leishmania genus. It is transmitted by sand fly. The adult female sand fly is a bloodsucker, usually feeding at night on sleeping prey. When the fly bites an animal infected with

L

. donovani, the pathogen is ingested along with the prey's blood. Leishmania tropica produces skin ulcers known as oriental sore or Delhi sore. The disease is spread by sand flies. The parasite lives in the endothelial cells of skin capillaries. It leads to ulcerated wounds with raised edges. They do not cause much pain.

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