How do vaccines work in our body?

How do vaccines work in our body?

Vaccines introduce weakened/inactive pathogens or their components. This triggers the immune system to create antibodies, providing future protection (immunity) against the real disease. This creates immune memory, allowing a faster, stronger response upon actual infection.

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This fact belongs to the general category and contributes to expanding general knowledge. Understanding such facts not only makes you smarter but also helps connect ideas across different fields.

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