# "An ounce of prevention is worth a pound of cure"; Week number 56-27

Newsreels in which Dutch subjects of a certain week are presented.; Eggs are contaminated with a virus and then incubated at the Bacteriology and Virology department of the Institute for Preventive Medicine in Leiden. Afterwards the damage the virus does to the tissue can be seen under a microscope. There are also measurements taken for noise pollution at work and there are hearing tests with an audiometer. At the department for Occupational Medicine the pulse, blood pressure, heart muscle and metabolism of a man cycling on a hometrainer is measured.

- Kind: Short
- Year: 1956
- Runtime: 2 min
- By: Polygoon-Profilti (producent) / Nederlands Instituut voor Beeld en Geluid (beheerder)
- Archive: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:%27%27Voorkomen_is_beter_dan_genezen%27%27-508814.ogv)
- Licence or status: [CC BY-SA 3.0 nl](https://creativecommons.org/licenses/by-sa/3.0/nl/deed.en) (as the archive states it)
- Credit: Polygoon-Profilti (producent) / Nederlands Instituut voor Beeld en Geluid (beheerder)
- Who can watch: Teens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/commons/35062499?play=1)