What happens if there are more white blood cells than red ones?

To begin with, erythrocytes in the human body reach 99%. They have a red color due to the presence of the hemoglobin protein in them. Hemoglobin binds oxygen and carries it throughout the body. Also, in our body there are Leukocytes, deservedly can be called the main protective factor in the confrontation of the human body with all kinds of diseases.
As I understand it, if there are more Leukocytes in the body, then you can have high immunity, because you will fall ill with diseases such as: Leukemia is a malignant transformation of leukocytes, a terrible oncological disease, which in many cases leads to death.