Answer:
what exactly is that question.
C. delay or stifle the emergence of the perspective
Answer:
B. Crack down on government corruption.
Explanation:
The reason why one case of influenza does not confer lifelong immunity is that the virus tends to mutate overtime which makes it unrecognizable to the immune system.
<h3>Why is it difficult to get immunity to influenza?</h3>
Influenza is caused by a virus which tends to mutate overtime in order to stay ahead of medical technology.
As a result, this mutation makes the original virus unrecognizable to the immune system which would then be unable to fight it.
Find out more on natural immunity at brainly.com/question/21480961
#SPJ1
The answer is D.
Not a lot of instruments were used in Indian Culture.
