Explore the fascinating world of vaccines and their potential to combat viruses and diseases in this captivating Christmas Lecture from The Royal Institution. Join epidemiologist Jonathan Van-Tam, vaccine scientist Teresa Lambe, and microbiologist Sharon Peacock as they delve into the inner workings of these medical marvels. Discover how vaccines are revolutionizing the fight against viruses and learn about their promising applications in battling diseases like cancer. Gain insights from Van-Tam's extensive experience as a Deputy Chief Medical Officer and advisor to the UK Government. Originally broadcast on BBC4, this 59-minute lecture offers a comprehensive look at the cutting-edge science behind vaccine development and its impact on public health.