title: Commentary: protection against varicella.
mesh_terms: D002644:Chickenpox / Q000276:immunology / Q000517:prevention & control*; D002648:Child; D002675:Child, Preschool; D005069:Evaluation Studies as Topic; D014645:Herpesvirus 3, Human; D006801:Humans; D007223:Infant; D013997:Time Factors; D014765:Viral Vaccines / Q000008:administration & dosage / Q000009:adverse effects
chemical_list: D014765:Viral Vaccines