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How does the transmission of each of the...

How does the transmission of each of the following diseases take place?
(a) Amoebiasis
(b) Malaria
(c) Ascariasis

Text Solution

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(a) Amoebiasis: By ingesting cysts of Entamoeba histolytica with water or food. The cysts are carried from faeces of an infected person to food and drinks.
(b) Malaria: Malarial parasite (Plasmodium sp.) is transmitted from the infected to the healthy person by the female Anopheles mosquito.
(c) Ascariasis: By ingesting Ascaris eggs with food and water. Children become infected by ingesting soil.
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