Kala-azar is transmitted by

Concept-Microbes are tiny living organisms.They believed to be primitive relatives of animals.Microbes that cause diseases are called pathogens.The most common types are bacteria, viruses, fungi, and protozoa.Protozoa is 3rd largest phylum.Protozoa include unicellular eukaryotes. Kala-azar caused by protozoa.Explanation-Kala Azar, ALSO known as Leishmaniasis, is a parasitic disease caused by protozoa.The causative agent of kala-azar is LEISHMANIA donovani.Kala-azar is transmitted through the bite of an infected sandfly.Scientific name of sandfly is phlebotomus.Thereby the kala-azar is transmitted by phlebotomus. Effect of kala-azar -Skin (Cutaneous Leishmaniasis)The MUCOUS membrane of the mouth, throat, and nose (Mucocutaneous Leishmaniasis)Liver, LYMPH nodes, spleen, and bone marrow (Visceral Leishmaniasis)Symptoms of kala-azar -Skin ulcersUlcers in the mouth, throat, and nose.Nosebleed.Difficulty in breathing.Weakness, weight loss, loss of appetite.Enlarged spleen, liver, lymph nodes.A decrease in the production of blood cells.