- CBC with differential including search for atypical lymphocytes
- Inflammation markers
- PCR for HHV-6, HHV-7, CMV, EBV
| - Blood cultures
- Antinuclear antibodies
- Serology for viral hepatitis*
- Lymph node biopsy*
| Minimal screening: - Liver function tests
- Serum creatinine, urinary protein and cells
- Creatine kinase, troponin
- ECG
|