Children infected with roseola generally have a good prognosis. Antiepileptic drugs are not recommended for patients who develop seizures from Roseola. These symptoms usually present during the febrile phase of roseola. This repair mechanism was studied in two Bdelloidea species, "Adineta vaga", and "Philodina roseola". Even so, most cases of roseola are transmitted without known exposure. Other infections associated with febrile seizures include Shigellosis, Salmonellosis, and Roseola. Out of these, 20% develop symptoms of roseola, also known as exanthem subitum. Roseola affects girls and boys equally worldwide year-round. Roseola classically presents with two phases&colon; fever and rash. Many viruses can cause Roseola and are shed by carriers without symptoms.