How do vaccines make you safe from diseases?
How do vaccines make you safe from diseases?  
Podcast: Who Smarted? - Educational Podcast for Kids
Published On: Mon May 24 2021
Description: How were vaccines first discovered? What diseases have been wiped out by vaccines? How do we know vaccines are safe? For free home activities sign-up at www.WhoSmarted.com See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.