It starts with a sneeze. Someone on the subway didn't cover their mouth and now a cloud of invisible invaders hangs in the air. Before you even step off the train, your immune system has already begun ...

The 2025 Nobel Prize in physiology or medicine has been awarded to a trio of scientists – two of them American and one Japanese – for unraveling how the immune system protects us from thousands of ...

Cancer immunotherapies, including cancer vaccines, harness and amplify the immune system’s natural ability to detect and attack cancer cells. In this illustration, immune T cells (pink) attach to a ...