# Immunization (2nd Ed)

Explains what immunization is and how it is built up either by having a disease or by being inoculated with vaccine. Shows how smallpox vaccine is produced and used and how diphtheria toxins are treated to produce toxoids.

- Kind: Short
- Year: 1955
- Runtime: 8 min
- Genres: Industrial and advertising
- Archive: [Internet Archive](https://archive.org/details/Immunization_2)
- Licence or status: [Public domain (Creative Commons dedication)](http://creativecommons.org/licenses/publicdomain/) (as the archive states it)
- Who can watch: Tweens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/ia/Immunization_2?play=1)