The popular Baby University series has now expanded into Baby Medical School!
Inside your body, you have a lot of little helpers that work together to keep you healthy. And vaccines are super helpers that make your immune system even stronger! But how? And with what? Let's find out!
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Inside your body, you have a lot of little helpers that work together to keep you healthy. And vaccines are super helpers that make your immune system even stronger! But how? And with what? Let's find out!
Written by...
Show more...