We report an 8-year-old boy with disseminated, life-threatening, drug treatment-resistant varicella zoster infection occurring during standard treatment for neuroblastoma in whom viral clearance and cure was effected by donor Lymphocyte infusion from his HLA (Human leukocyte antigen)-identical twin sibling.
From the *Department of Paediatric Oncology and Haematology, Alder Hey Children’s Hospital, Liverpool, United Kingdom
†Department of Paediatric Oncology, Royal Manchester Children’s Hospital
‡Department of Clinical Virology, Manchester Royal Infirmary
§Department of Paediatric Blood and Marrow Transplant, Royal Manchester Children’s Hospital, Manchester, United Kingdom.
Accepted for publication October 26, 2018.
The authors have no funding or conflicts of interest to disclose.
Address for correspondence: Katherine Cooper, MBChB, MRCPCH, Department of Oncology, Alder Hey Children's Hospital, Eaton Road, Liverpool, L12 2AP, United Kingdom. E-mail: firstname.lastname@example.org.