How Does a ‘Vaccine’ Work and Why Do We Need Them?

Vaccines are like training your body to fight off germs before they attack you. Imagine it’s like learning karate before a big match, the more practice you get, the better you’ll be at defending yourself.

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Examples

Getting a flu shot before winter is like packing an extra sweater, it helps you stay healthy when the cold comes.
A baby gets a series of vaccines to help their body learn how to fight germs early on, just like learning multiplication tables in school.
People who get vaccinated are less likely to spread diseases, helping protect those who can’t receive shots.

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Categories: Health · vaccines,immunology,health