Polymerase Chain Reaction (PCR)
Detection or quantitation of HHV-7. Used for monitoring of viral load to track the course of infection and response to treatment. Test detects both Type A and Type B.
2 - 5 days
Blood: Collect specimen in a lavender top (EDTA) tube. Send intact specimen at room temperature (4 - 5 mL). CSF: Send specimen frozen in a sterile tube (2 mL). The following specimen types are also acceptable: Bronchial Lavage (BAL) (2 mL in sterile tube, room temperature) and Tissue (moistened with saline, in sterile cup, freeze).
Reactivation of HHV-7 has been found in the BMT, renal & liver transplantation population. Direct effects of HHV-7 include fever, rash, myelosuppression, hepatitis, encephalitis, pneumonitis and viral syndrome. Indirect effects include CMV syndrome, invasive CMV disease, invasive fungal disease, allograft dysfunction and acute cellular rejection. Test sent to Viracor Eurofins.