Question

Q15. Write two advantages of active immunity.​

Answer 1

The protection offered by active immunization is long-lived since it leads to the formation of long-lasting memory immune cells.

Active immunization may be reactivated quickly by a recurrence of the infection or by revaccination.

Answer 2

Advantages of active immunization

When the body is exposed to the pathogen for a second time, the immune response is more robust, quickly addressing the disease agent. Immunity does not happen immediately upon disease exposure. It can take days or weeks after the first exposure for active immunity to develop.