sameoldalex
Answered

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What does a vaccine do to help an immune system?

Sagot :

Giveitachance

Answer:

A vaccine works by training the immune system to recognize and combat pathogens, either viruses or bacteria. To do this, certain molecules from the pathogen must be introduced into the body to trigger an immune response.

Explanation:

Basically it trains the body by giving it a little expirementation withthe  sickness. After that, the body will learn how to properly fight or keep the sickness at bay.

Hope it helped!;)

PariThePika

A vaccine injects a little bit of whatever disease you want to protect yourself from. It's just enough that your immune system fights it off and becomes stronger against the disease.

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