Viruses are the fastest-evolving biological entity on Earth. This fact explains why we need flu shots every year: Seasonal ...

These miniature immune system models -- known as human immune organoids -- mimic the real-life environment where immune cells learn to recognize and attack harmful invaders and respond to vaccines.

When immune cells from healthy donors or lymphoma patients are cultured in these gel-like environments, the organoids support longer cell function, allowing processes like antibody formation and ...