# R number – the rate of infection; a government video

An explanatory video of the R number, published by the Welsh Government. All viruses have a rate of infection. Scientists call this the R number. R is the average number of people one infected person passes the virus on to. This video explains how the R number informs the decisions we are taking to stop coronavirus spreading.

- Kind: Short
- Year: 2020
- Runtime: 1 min
- By: Welsh Government / Llywodraeth Cymru Institution:Senedd Cymru – Welsh Parliament
- Archive: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:R_number_%E2%80%93_the_rate_of_infection;_a_government_video.webm)
- Licence or status: [CC BY 3.0](https://creativecommons.org/licenses/by/3.0) (as the archive states it)
- Credit: Welsh Government / Llywodraeth Cymru Institution:Senedd Cymru – Welsh Parliament
- 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/98913219?play=1)