I WONDER - How Can We Get Protection From Viruses?

Vaccines help the body recognize and fight viruses by introducing a harmless part of the virus, triggering an immune response. This prepares the body to combat the virus if encountered again. While not all viruses have vaccines, scientists are continually working to develop new ones for various viruses.

How does a vaccine help the body recognize and fight a virus?

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What is introduced into the body by a vaccine?

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What triggers the immune system's response when a vaccine is administered?

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Why is it important for the body to create a response to a vaccine?

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What are scientists doing regarding vaccines for viruses that do not have them?

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