Higher levels of leukocytes -- a form of white blood cell -- are associated with more severe symptoms of long COVID among ...

Even months after the initial diagnosis of Covid -- caused by the SARs-CoV-2 virus -- millions of people worldwide suffer from its ongoing effects. Cognitive impairment and fatigue are the most ...

Despite multiple studies showing that a normal white blood cell (WBC) count does not exclude serious disease, physicians in all specialties continue to behave as if it did. To assess whether a ...

Hematopoietic (hee-MA-toh-poy-EH-tik) stem cells (usually just called stem cells) grow into all types of blood cells. The white blood cells fight infection, red blood cells carry oxygen, and platelets ...

Your immune system cells are your body's white blood cells that help fight infection and disease. Most of your white blood cells form in your bone marrow, but two other types -- T cells and B ...

Some cells do repairs if you get a cut. Red blood cells deliver oxygen and take away rubbish. And your white blood cells are like police looking for germs. There's a lot going on inside you!

Leukemia is a type of blood cancer caused by a rise in the number of white blood cells in your body. Many types of leukemia produce no obvious symptoms in the early stages. Leukemia red spots are ...

Higher levels of leukocytes -- a form of white blood cell -- are associated with more severe symptoms of long COVID among older women, researchers reported in a new study published Wednesday in ...