Watch Mayo Clinic hematology experts discuss the latest in diagnosis and treatment on YouTube. Mayo Clinic is one of the leading medical facilities in the country for the diagnosis and management of various blood disorders. Hematology specialists at Mayo Clinic are internationally recognized as leaders in the field of blood disorders. Experts in hematology at Mayo Clinic are at the leading edge of research to continuously improve diagnosis and treatment options.
Roseola (roseola infantum) is a mild illness caused by a virus. It is generally harmless and is most common in children 6 months to 2 years of age. It is rare after age 4. Roseola is caused by two common viruses.
Rubella (German measles) is an infection caused by the rubella virus. It is usually a mild illness causing a rash, sore throat and swollen glands. It occurs most commonly in young children but can affect anyone. Rubella is now uncommon in the UK as a result of the rubella immunisation.f you are pregnant and have rubella (German measles) in the first few months of pregnancy, there is a high chance that the virus will cause severe damage to your developing baby. The virus affects the developing organs and the baby may be born with serious disability-the congenital rubella syndrome.