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What is the relationship between exposure to a virus and developing an immunity to it

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User AHunter
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Answer:

an exposure to a virus is actually having the virus and developing an immunity to a virus is similar because to be immune to a virus you have to receive a vaccine and a vaccine is actually the disease injecting into your system in a different way so when the virus attacks you your body cells know what to do to fight the disease.

Step-by-step explanation:

User MarMat
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