How we know vaccines and medicines work
Channel: GroundUp News
Date: 2021-09-21

Produced by GroundUp

Animation: Foster Digital Education
Script: Nathan Geffen
Voice: Mary-Anne Gontsana
Sound: Ashraf Hendricks


Image credits: 
Photo of Len and Terry Wiles (public domain)
Photo by Jacopo Werther (CC BY 2.0)


This video is licensed under a Creative Commons Attribution-NoDerivatives 4.0 International License.