Synopsis
A simple explanation and visualisation exploring what a virus is and how it replicates in the body.
Further Information
Similar broadcast resources
The Beginning of Life | Life on Earth
David Attenborough explains the origins of life on earth, starting over three and a half thousand million years ago.
Norovirus Spread | Winter Viruses and How to Beat Them
A demonstration shows how far norovirus can spread when a person vomits.