Infections
The white blood cell count would also be decreased by some bacterial or viral infections, such as mumps, HIV, hepatitis, German measles, as well as chickenpox. This is mainly because the bacteria or virus can penetrate the bone marrow and cause damages. As a result, it affects the production of your white blood cells. To minimize this risk, it is better to get vaccinated for some common infections, particularly for children and babies. Also, keep in mind to meet your doctor regularly for health checks. [9]
