Great Moments In Science - With Dr Karl Kruszelnicki
Development of vaccines
- Author: Vários
- Narrator: Vários
- Publisher: Podcast
- Duration: 0:06:57
- More information
Informações:
Synopsis
Vaccines are not a new invention. One of the very first effective vaccinations against disease came from China about 1,500 years ago - and was widely used there to combat Smallpox.
