Table 1. Cerebrospinal fluid analysis of patient 1.
* 90.9% mononuclear leukocytes and 9.1% polymorphonuclear leukocytes
| Cerebrospinal fluid | Values | Reference range |
| Color | Colorless | Colorless |
| Opening pressure (cmH2O) | 17 | 5-20 |
| White blood cell count (mm3) * | 11 | 0-5 |
| Red blood cells (mm3) | 0 | 0 |
| Glucose (mg/dl) | 59 | 40-70 |
| Protein (mg/dl) | 82 | 15-45 |
| Gram stain | Negative | Negative |
| Cryptococcal antigen | Negative | Negative |
| SARS-CoV-2 PCR | Negative | Negative |
| Herpes simplex virus 1 and 2 PCR | Negative | Negative |
| Varicella-zoster vírus PCR | Negative | Negative |
| Cytomegalovirus PCR | Negative | Negative |