| ICD | International Classification of Diseases |
| BCG | Bacillus Calmette–Guérin |
| PICU | Pediatric Intensive Care Unit |
| CSF | Cerebrospinal fluid |
| CT | Computerized tomography |
| MR | Magnetic resonance |
| EEGs | Electroencephalograms |
| HTIG | Human tetanus immunoglobulin |
| ME | Meningoencephalitis |