what is the function of a vaccine?
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4
Answer:
Vaccines are like a training course for the immune system. They prepare the body to fight disease without exposing it to disease symptoms.
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2
Answer:
vaccine give passive immunity
Explanation:
father of passive immunization is Edward janner
the pathogen which are given through vaccination are atinuated or disarmed pathogen which does not harm the our body but the when they entered in the body immune system formed against these pathogen. when the same harmful pathegen entered in our body immune system kill them immediately. bcz antibody are already present in our body
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