N-Methyl-D-Aspartate Receptor Encephalitis, Post Herpes Encephalitis in Two Pediatric Cases.

Commonly, herpes simplex virus (HSV) causes infectious encephalitis among children. A neurological relapse after primary HSV encephalitis in the weeks or months after presentation is well recognized. Relapsing symptoms of post-HSV encephalitis can present either as a true relapse or an immune-mediated disorder.