Parent reported fever night after vac.Patient was seen in UCC 3 days after vaccination for complaint of fever and ear pain, dx with otitis media and prescribed antibiotics. On the way home, pt developed right sided tonic clonic seizure activity and taken to ED. Admitted and treated with antiseizure medication and antibiotics. Patient continued seizure and fever on anti-seizure meds and antibiotics. LP with 50 WBCs, <1 RBCs, protein 19, glucose 60. Transfered to Hospital for persistent seizure activity. symptoms improved after IVIG. No infectious etiology identified - some labs still pending. Autoimmune encephalitis panel pending. Planning discharge. Will need Neurology follow-up