<span>A low white blood cell count usually is caused by: Viral infections that temporarily disrupt the work of bone marrow. Certain disorders present at birth (congenital) that involve diminished bone marrow function. Cancer (or other diseases that damage bone marrow)</span>
He had a bacterial infection, but then developed an allergy to the antibiotic.
Hey there,
Viruses do not belong to kingdoms.
Here's why,
Viruses are unique organisms. They do not belong to any kingdom due to the fact that they are not made up of living cells.
Hope this helps <em><u>-Alycia Larson</u></em>