Question

what do you mean by imminigation ? what was the role of oblic contribution of alackzender in the field of
biology​

Answer 1

Answer:

Immunization is the process whereby a person is made immune or resistant to an infectious disease, typically by the administration of a vaccine. Vaccines stimulate the body's own immune system to protect the person against subsequent infection or disease.

Explanation:

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Answer 2

Answer:

I didn't understand the question