Division of Neurology, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL; Departments of Pediatrics and Neurology, Northwestern University Feinberg School of Medicine, Chicago, IL
Investigators at the Karol Marcinkowski University of Medical Sciences, Poznan, Poland, analyzed the records of 194 children diagnosed with Epstein-Barr virus infection and having the viral capsid antigen IgM antibody.