exanthema subitum

“A viral infectious disease that results_in infection in infants and children, located_in skin, has_material_basis_in Human betaherpesvirus 6B (Roseolovirus humanbeta6b) or 7 (Roseolovirus humanbeta7) and has_symptom sudden high fever, and has_symptom red rash that occurs first on the trunk then spreading to legs and neck.”