Discovery of a DNA shift in the innate immune memory of cells may aid in the fight against sepsis. "Sepsis is a really horrible burden ..."

When faced with a threat, T cells have the decision-making flexibility to both clear out the pathogen now and ready themselves for a future encounter.

New research uncovers what causes an initial spike in immune system response when pathogens attack plants.

The way some bats protect themselves from the viruses they carry could lead to ways to prevent the next pandemic, researchers say.

A new method of magnetic resonance imaging (MRI) may mean earlier detection and better monitoring of multiple sclerosis.

Green plants produce a specific gas when under attack to both directly ward off herbivores and pathogens and indirectly lure in herbivore predators.

New research "opens up new avenues for the development of more targeted therapies for patients with long COVID."

Research suggests we should embrace feeling down when ill.

Your immune system is often able to fend off pathogens it’s never seen before. But defending your body against all of them all at once is a tough challenge.

Researchers have discovered that older mice and those with a specific gene variant have "exhausted" immune cells in their brains.