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Which of the following correctly exempli...

Which of the following correctly exemplifies acquisition of active immunity by a person?

A

A person who has recovered from an attack of mumps, develops natural active immunity.

B

When ready-made antibodies are directly injected into a person's body to protect him against foreign agents, then he acquires artificial active immunity.

C

When a person is vaccinated for a disease then he acquires natural active immunity for that disease.

D

When antibody is transferred from mother to the fetus through placenta then the developing baby acquires artificial active immunity.

Text Solution

Verified by Experts

The correct Answer is:
A
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