title: Reply to Jackson.
authors.affiliation: Department of Medicine, Division of Infectious Diseases, and Department of Health Policy, Vanderbilt University Medical Center, Nashville, Tennessee.
authors.forename: Karen C
authors.initials: KC
authors.lastname: Bloch
authors.affiliation: Division of Infectious Diseases, Department of Pediatrics, The Hospital for Sick Children, University of Toronto, Ontario, Canada.
authors.forename: Ari
authors.initials: A
authors.lastname: Bitnun
authors.affiliation: Division of Communicable Disease Control, California Department of Public Health, Richmond.
authors.forename: Carol A
authors.initials: CA
authors.lastname: Glaser
authors.affiliation: Infectious Diseases Department, French Institute for Public Health Surveillance, Saint-Maurice.
authors.forename: Alexandra
authors.initials: A
authors.lastname: Mailles
authors.affiliation: Infectious Diseases Department, CHU and University 1, Grenoble, France.
authors.forename: Jean-Paul
authors.initials: JP
authors.lastname: Stahl
authors.affiliation: Warren Alpert Medical School of Brown University, Providence, Rhode Island.
authors.forename: Allan R
authors.initials: AR
authors.lastname: Tunkel
authors.affiliation: Johns Hopkins Encephalitis Center, Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, Maryland.
authors.forename: Arun
authors.initials: A
authors.lastname: Venkatesan
mesh_terms: D000465:Algorithms; D019937:Diagnostic Techniques and Procedures / Q000592:standards*; D004660:Encephalitis / Q000175:diagnosis*; D006801:Humans