However, very early in infection, white blood cell numbers can be lower than normal. (2ndchance.info)
Red blood cells carry oxygen to the tissues; a decrease in red blood cells numbers (anemia) may occur for a variety of reasons, including chronic illness or kidney disease. (woodlandvets.com)
With gradual blood loss anemia, the body has the time to adjust to the decreased red blood cell numbers. (2ndchance.info)