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Trypanosoma (Life Cycle t. brucei (human infections by bites of tsetse fly…
Trypanosoma
Life Cycle t. brucei
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develop into long, slender forms
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become stumpy & invade blood stream, causing parasitaemia
short, stumpy form are ingested by tsetse fly during blood meal
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Transmission of Disease
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Characterized by fever, headache, mental dullness, sleepiness, weight loss, enlargement of lymph nodes, rashes on chest, shoulders
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africa
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trypomastigotes in the bloodstream, lymphatics and cerebrospinal fluid
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Morphology
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Amastigote form in muscular, nervous tissue and cells of reticuloentothelial system
america
Chagas’ disease
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reservoir
armadillos, opossums, cats, dogs and pigs in endemic regions
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Transmission of Disease
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intense scratching or rubbing eyes, mouth or nose
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