Exemplar Problems

Question:

What is the difference between active and passive immunity, and what are examples of each?

Answer:

Active immunity is the body’s response to an antigen, often achieved through vaccination, resulting in long-lasting protection. Passive immunity involves the transfer of pre-formed antibodies or immune cells, providing immediate but temporary protection. An example of active immunity is vaccination, while an example of passive immunity is a mother passing antibodies to her baby through breast milk.