Table 1.
Panel of laboratory examinations, and results performed on blood and cerebrospinal fluid (CSF) samples of the patient.
| Pathogen/Test | CSF | Blood |
|---|---|---|
| Gram stain | Negative | - |
| Cultures | Negative | Negative |
| Herpes simplex virus I and II PCR | Negative | - |
| Varicella Zoster Virus PCR | Negative | - |
| Cytomegalovirus PCR | Negative | - |
| Human parechovirus PCR | Negative | - |
| Human Herpesvirus 6 PCR | Negative | - |
| Epstein Barr Virus PCR | Negative | - |
| Enterovirus 71 PCR | Negative | - |
| Adenovirus PCR | Negative | - |
| LCM virus IgM and IgG | Negative | - |
| West Nile Virus IgM and IgG Ab | Negative | Negative |
| Jamestown Canyon Virus IgM Ab | Negative | - |
| St. Louis Encephalitis Virus IgM and IgG Ab | Negative | - |
| Calif (LaCrosse) Encephalitis Virus IgM and IgG | Negative | - |
| West Equine Encephalitis Virus IgM and IgG Ab | Negative | - |
| Human Immunodeficiency Virus PCR | - | Negative |
| East Equine Encephalitis Virus IgM and IgG Ab | Negative | - |
| Powassan virus IgM, IgG, PRNT | Negative | Negative |
| Escherichia Coli K1 PCR | Negative | - |
| Neisseria meningitidis PCR | Negative | - |
| Borrelia burgdorferi PCR, IgM, IgG Ab | Negative | Negative |
| Leptospirosis spp. IgM and IgG | Negative | Negative |
| IGRA | - | Negative |
| Listeria monocytogenes PCR | Negative | Negative |
| Ehrlichia eauclairensis PCR | - | Negative |
| Ehrlichia chaffensis IgM and IgG | - | Negative |
| Anaplasma phagocytophilum IgG | - | Positive (1:512) |
| Anaplasma phagocytophilum IgM | - | Negative |
| Anaplasma phagocytophilum PCR | - | Positive |
| Borrelia miyamotoi PCR | - | Negative |
| Streptococcus pneumoniae PCR | Negative | - |
| Streptococcus agalactiae PCR | Negative | Negative |
| Haemophilus influenza PCR | Negative | Negative |
| VDRL | - | Negative |
| Babesia microti PCR, IgG | - | Negative |
| Cryptococcus neoformans/gattii PCR | Negative | - |
Ab—antibodies; CSF—cerebrospinal fluid; IgM—immunoglobulin M; IgG—immunoglobulin G; IGRA—interferon-gamma release assays; PCR—polymerase chain reaction; PRNT—plaque reduction neutralization test; VDRL—venereal disease research laboratory.