On this episode, Sonia answers the question, What was the first vaccine and how did a vaccine wipe out smallpox?
Information
- Show
- Published23 August 2021 at 13:00 UTC
- Length19 min
- Season1
- Episode6
- RatingClean
On this episode, Sonia answers the question, What was the first vaccine and how did a vaccine wipe out smallpox?