title: Leukemia patients to be given varicella vaccine.
mesh_terms: D000293:Adolescent; D000328:Adult; D002644:Chickenpox / Q000517:prevention & control*; D002648:Child; D002675:Child, Preschool; D014645:Herpesvirus 3, Human / Q000276:immunology*; D006801:Humans; D007938:Leukemia / Q000150:complications*; D012306:Risk; D014611:Vaccination; D014765:Viral Vaccines / Q000008:administration & dosage*
chemical_list: D014765:Viral Vaccines