What is hematology? Hematology is the study of blood and blood disorders. Hematologists and hematopathologists are highly trained healthcare providers who specialize in diseases of the blood and blood components. These include blood and bone marrow cells. Hematological tests can help diagnose anemia, infection, hemophilia, blood-clotting disorders, and leukemia.
Roseola is a viral illness that usually affects children between the ages of six months and two years. It is typically marked by several days of high fever, followed by a pinkish-red flat or raised rash that appears on the child's torso and spreads over the body as the fever breaks.
Other Infections with Rashes. Rubeola (measles) is often confused with roseola and rubella (German measles), but these three conditions are different. Measles produces a splotchy reddish rash that spreads from head to foot. Roseola is a condition that affects infants and toddlers.ther Infections with Rashes. Rubeola (measles) is often confused with roseola and rubella (German measles), but these three conditions are different. Measles produces a splotchy reddish rash that spreads from head to foot. Roseola is a condition that affects infants and toddlers.