How the COVID-19 Vaccine Works | Extra Life: A Short History of Living Longer
Dr Kizzmekia Corbett, part of the team that developed one of the COVID-19 vaccinations, explains how the vaccination works.Tweet
Norovirus Spread | Winter Viruses and How to Beat Them
A demonstration shows how far norovirus can spread when a person vomits.
How respiratory viruses spread | Winter Viruses and How to Beat Them
An explanation of how respiratory viruses can spread by causing us to cough and sneeze.