What is the purpose of getting a flu shot every year?
A) It lets your body get used to having the flu so that you won't feel as sick when you actually do get the flu.
B) It exposes you to antigens present on the flu virus so that your immune system can make antibodies to the virus.
C) It exposes you to antibodies present on the flu virus so that your immune system can make antigens.
D) It exposes your immune system to the virus and causes genomic rearrangement in memory B-cells.
Correct Answer:
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