COVID-19 changed the world in 2020. Questions around testing, vaccines, treatments, who gets ill and who doesn't - these all relate to immune memory. Part III explains why immune memory doesn't last forever, and how some diseases can evade an immune response.

Narrated by Professor Donald J. Davidson at the Centre for Inflammation Research, and produced in partnership with the British Society for Immunology (BSI). With thanks to the Chief Scientist Office, Action Medical Research, LifeArc and UK Research and Innovation for funding.

Curious? Find out more on the BSI website: https://www.immunology.org/coronavirus/connect-coronavirus-public-engagement-resources/immune-memory...