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

a type of white blood cell. When the neutrophil count is too low, it is known as neutropenia. Typically, a low neutrophil ...

A college student gets over the flu, but two weeks later feels winded after climbing stairs and complains of abdominal pain. What caused it?

Abnormalities in this test provide the first sign of the disease. In MDS, red blood cell levels may be low, which causes anemia. Platelet levels may also be low, which can cause bleeding and bruising.