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How does the transmission of each of the following diseases take place?

7/8/2015 CBSE


 



How does the transmission of each of the following diseases take place?



(a) Amoebiasis



(b) Malaria



(c) Ascariasis



(d) Pneumonia






Answer :


 


































 


Disease



Causative organism



Mode of transmission



a.



Amoebiasis



Entamoeba histolytica



It is a vector-borne disease that spreads by the means of contaminated
food and water. The vector involved in the transmission of this disease is
the housefly.



b.



Malaria



Plasmodium sp.



It is a vector-borne disease that spreads by the biting of the female Anopheles mosquito.



c.



Ascariasis



Ascaris lumbricoides



It spreads via contaminated food and water.



d.



Pneumonia



Streptococcus pneumoniae



It spreads by the sputum of an infected person.




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