T-cell activation involves two phases, enabling a more precise immune response. This insight may boost cancer immunotherapy ...

When lymph nodes are involved, it’s at least stage 2. Metastatic breast cancer is stage 4. You probably wouldn’t notice if a few cancer cells reached a lymph node. As the number of cancer ...

Scientists have uncovered why vaccines can elicit a stronger immune response if they are administered in the same arm.

You’ve probably heard of the four stages of cancer—but there’s another even earlier stage that experts say can make a huge ...

Boosters given in the same arm as the first dose trigger faster and more effective immune responses. Macrophages direct ...

Immune cells called macrophages, which guard the entry point to the lymph nodes, handcuff these invaders and take them to ...

They also house infection-fighting cells. You can’t typically feel your lymph nodes when you’re healthy, but they can become swollen and tender when your body is having an immune response.