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(a) Name the Protozoan parasite that cau...

(a) Name the Protozoan parasite that causes amoebic dysentery in humans.
(b) Mention two diagnostic symptoms of the disease.
(c) How is this disease transmitted to others?

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Amoebic dysentery is caused by an intestinal protozoan called Entamoeba histolytica. It is characterized by intestinal ulcers, and presence of blood and mucus in the stools. It is transmitted by taking contaminated food containing tetranucleate cysts of the pathogen. Houseflies and cockroaches act as passive vectors.
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