The Connection Between White Blood Cell Count and COVID-19 A high WBC count, also called leukocytosis, is usually a sign that the body is fighting an infection, and the same is true in COVID-19 ...

Then there are diseases like leukemia where white blood cell levels are too high. However, there are few pharmacological options for adjusting white blood cells counts in patients with abnormal levels ...

Exercise generally increases white blood cell count, but chronic overtraining can cause a WBC drop. Learn more here.

A low white blood cell count indicates that a person is prone to infection. A high white blood cell count means either an infection exists or there is an underlying medical condition.

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 recent study, Yale researchers discovered a new molecule that can temporarily boost white blood cell counts. The study, led by Nikolai Jaschke, a postdoctoral researcher in the lab of Andrew Wang ...

Doctors often monitor lymphocyte and other blood cell counts during the diagnosis and treatment of lymphoma. Learn more.

Then there are diseases like leukemia where white blood cell levels are too high. However, there are few pharmacological options for adjusting white blood cells counts in patients with abnormal ...