Question

Akio just got over having the flu. His brother just got the flu. His parents are not worried about Akio getting it again because he built up an immunity to this flu strain. Which explains the type of immunity he built up?

Answer 1

Answer:

Akio just got over having the flu. His brother just got the flu. His parents are not worried about Akio getting it again because he built up an immunity to this flu strain. Which explains the type of immunity he built up?

here akio builds up many white blood cells

Explanation:

Answer 2

Answer:

Active because he built up antibodies due to exposure to the flu

Explanation:

I did the test, and this is the correct answer. In the test, it is option A.