Question

How is vaccine helpful to prevent the occurrence of diseas​

Answer 1

Answer:

Your answer is

Explanation:

The memory cells that remain prevent re-infection when they encounter that disease in the future. Thus, through vaccination, children develop immunity without suffering from the actual diseases that vaccines prevent.

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Answer 2

Answer:

vaccines are the weaken germs or bacteria which help our body produce antibodies itself and then these antibodies mix with our blood and helps in future.

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