White blood cells work to destroy any foreign virus, fungus, or bacteria that enter your body. When you get sick, your white blood cell count is higher than normal. This is because your body is releasing more of these cells to fight the infection.
When body fights its own red blood cell. Autoimmune Hemolytic Anemia (AIHA) is a blood disease in which a person produces substance that cause their own body to destroy red blood cells, resulting in an Anemia.
