- Symptom duration 1-3 weeks
- Diagnosis Important: patient highly infectious up to 4 months
- Headache
- Fever
- CN7 Palsy (often bilateral) may occur up to 3 weeks after the above
- HIV-antibody (EIA) often negative (“Window Period”)
- 1 month: 50%
- 3 months: 95%
- 6 months: >99%