White blood cells can be super helpful, or they can make a problem worse: when faced with threats ranging from snake bites to covid infections, some white blood cells retaliate with a peculiar tactic: ...

A major bottleneck in curing HIV (human immunodeficiency virus) is that the virus can hide in an inactive form within resting white blood cells, which play a crucial role in coordinating the immune ...

Watch a white blood cell actively searching for bacteria or viruses under the microscope.

A vivid new image is taking shape in the world of cell biology: Imagine bacteria adhering to the surface of a cell, perhaps at the site of an injury or wound. In response, a white blood cell arrives ...