Q1 of 70 Page 55

Certain pathogens are tissue/organ specific. Justify the statement with suitable examples.

Pathogens are disease causing agents. Certain pathogens are tissue/organ specific as they only attack a certain tissue as seen in the case of:

A. Typhoid: Salmonella typhi only infects the small intestine.


B. Intestinal Endoparasite only infects large intestine, causing Amoebic dysentery.


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The immune system of a person is suppressed. In the ELISA test, he was found positive to a pathogen.

a. Name the disease the patient is suffering from.


b. What is the causative organism?


c. Which cells of body are affected by the pathogen?


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