I neeed please ASAP

asked Jul 23, 2022 226k views

3 votes

I neeed please ASAP

4.3k points

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7 votes

Answer:

Option C

Step-by-step explanation:

A vaccine is usually given to boost up the immune system by making them familiar with the virus

Marc Lincoln answered Jul 24, 2022

3.9k points

6 votes

Answer:

option C

The immune system has been exposed to the polio virus so that the body responds rapidly to infections

3.8k points

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