The presence of large numbers of white blood cells in the affected tissues is diagnostic for inflammation and can also rule out cancer and infectious sources of disease. (texaswestveterinarian.com)
The researchers found that the mice responded to the parasite by shifting their immune system into high gear, producing large numbers of white blood cells. (newscientist.com)
For example a low number of white blood cells indicate inflammation and an infection. (dog-health-guide.org)