An animation about the human immune system created to commemorate the 50th anniversary of a revolutionary theory by Nobel Laureate, Sir Frank Macfarlane Burnet, illustrating how the body fights infection. The animation Fighting Infection by Clonal Selection was created to commemorate the 50th anniversary of a revolutionary theory called "Clonal Selection" by Nobel Laureate, Sir Frank Macfarlane Burnet. Narrated using simple yet scientifically accurate language, the animation tells the story of how the body fights against a common bacterial infection. Fighting Infection by Clonal Selection is a world-first in visualizing the immune system with both microscopic and atomic detail, and is firmly founded on scientific research. The animation was designed to raise the understanding of the immune system in the general public and as a teaching resource for university students and scientists.