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.
Roseola symptoms may include: Fever. Roseola typically starts with a sudden, high fever â often greater than 103 F (39.4 C). Some children may also have a slightly sore throat, runny nose or cough along with or preceding the fever. Your child may also develop swollen lymph nodes in his or her neck along with the fever. The fever lasts three to five days.