# Why Do We Need Vaccines If We're Not Sick? for Kids

An episode of [Dad, How Does It Work? Science Podcast for Kids](https://invisiblenetwork.ai/podcast/1877456012), 3 Apr 2026, 5:47.

Audio: https://anchor.fm/s/10eb0cbb0/podcast/play/117893624/https%3A%2F%2Fd3ctxlq1ktw2nl.cloudfront.net%2Fstaging%2F2026-3-3%2F113930e5-d7ab-d9ce-a96f-21020a0d8663.m4a

Ages 5–10 | Why do we need vaccines if we're not sick? You're feeling totally fine, and then it's time for a vaccine. Wait, why now? Nothing is even wrong. So why would your body need a vaccine before you're sick? What is a vaccine actually doing inside you? And why do you sometimes feel a little different afterwards? It turns out your body is getting ready ahead of time. But ready for what, exactly? Liked this one? Please rate the show on Apple Podcasts or Spotify. It helps other curious families find us. Listen everywhere: https://pod.link/1877456012

Shows are listed from Apple Podcasts' charts and directory, and Podcast Index where it is used. Every show and episode belongs to its publisher and plays from the publisher's own feed; this site hosts none of them.