Question

Vaccine contains

A

Only formulation chemicals

B

A medicine that suppresses immune system

C

A disease causing inactivated microorganism

D

A chemical that suppresses host DNA

Medium
Solution
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Correct option is C)

A vaccine contains a disease-causing inactivated microorganism or very less quantity of active ingredient. They elicit the immune system when administered and hence produces antibodies. These antibodies help to fight the disease.  
Thus, the correct answer is option C.

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