How do vaccines work? | NBC4 Washington

Flu, COVID, RSV, polio and measles — there are all kinds of diseases and illnesses that we can use vaccines to fight. And doctors will tell you, at certain times of year or at certain ages, to go and get those vaccines. After all, they stop you and your loved ones from getting sick.

But how do those vaccines work in the first place, and why is it so important to get vaccinated? We got the answers.
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News post in at: November 30, 2024, 6:00 am.

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