Table 5. Symptoms of acute INKV and CHATV infections, as recorded in charts of 7 patients hospitalized with unknown infection, Finland* .
| Symptom | INKV, N = 5 | CHATV, N = 2 |
|---|---|---|
| Fever | 5 | 2 |
| Influenza-like symptom | 4 | 0 |
| Headache | 4 | 2 |
| Nausea/vomiting | 2 | 1 |
| Disorientation | 2 | 1 |
| Sore throat | 2 | 0 |
| Nuchal rigidity | 2 | 0 |
| Changes in EEG | 2 | 0 |
| Diarrhea | 1 | 0 |
| Seizure | 1 | 0 |
| Drowsiness | 1 | 0 |
*These 7 patients were hospitalized with unknown infection (Table 3), which were determined to be Inkoo virus (INKV) or Chatanga (CHATV) infections. Symptoms are listed in order of frequency. EEG, electroencephalogram.