How do vaccines protect the population? | Horizon
Hannah Fry demonstrates how vaccines help to protect human populations and provide protection to those that cannot receive them.Tweet
T Cells (Full Programme) | Made of Stronger Stuff
Psychologist Kimberley Wilson and Dr Xand van Tulleken take a journey through the body's immune system and profile a remarkable white blood cell.
Norovirus Spread | Winter Viruses and How to Beat Them
A demonstration shows how far norovirus can spread when a person vomits.