History of vaccination: Smallpox vaccines

Name: History of vaccination: Smallpox vaccines | Videos | Gan Jing World
Uploaded: 2022-12-15T15:23:36.570Z
Duration: 2 min 55 s
Description: In this video pupils will learn about the important history of how vaccination began and eventually led to the eradication of the deadly smallpox disease. | Videos | Gan Jing World