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Of the 160 infants and young children with acute HHV-6 infections,21(13 percent)were hospitalized,and 21 had seizures.Often,the seizures appeared late and were prolonged or recurrent.HHV-6 infections accounted for one third of all febrile seizures in children up to the age of two years.In infants and young children,HHV-6 infection is a major cause of visits to the emergency department,febrile seizures,and hospitalizations.Perinatal transmission may occur,with possible asymptomatic transient,or persistent neonatal infection. |
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