Third Party Viral Specific T-cells (VSTs)

Inclusion Criteria: * Immunocompromised patient with evidence of viral infection or reactivation * Age \>1 day * Recipients who have had a stem cell transplant must be at least 21 days after stem cell infusion * Clinical status must allow tapering of steroids to \< 0.5mg/kg prednisone or other steroid equivalent * Must be able to receive CTL infusion in Cincinnati * Informed consent obtained by PI or sub-investigator either in person or by phone Exclusion Criteria: * Active acute GVHD grades II-IV * Uncontrolled bacterial or fungal infection * Uncontrolled relapse of malignancy requiring treatment with chemotherapy * Infusion of ATG or alemtuzumab within 2 weeks of VST infusion * Biopsy confirmed acute rejection of solid organ transplant OR empiric treatment of suspected but not confirmed acute rejection of solid organ transplant within the last 30 days