Biology In Human Welfare Human Health And Disease 2-P-5

Question: What is the key difference between active and passive immunity?#

A) Active immunity is long-lasting, while passive immunity is short-lived.

B) Active immunity involves transferring antibodies, while passive immunity involves producing memory cells.

C) Passive immunity is acquired naturally, while active immunity requires vaccination.

D) Active immunity is always achieved through vaccination.

Answer: Active immunity is long-lasting, while passive immunity is short-lived.#