IGHE and herpes zoster: The presence of serum IgE in addition to IgE and IgG anti-VZV antibody in sera were studied in children (N=12) (0–16 y/o) and adults (N=9) (32–76 y/o) with either a past history of (wild type) chicken pox (N=7 children, 9 adults) or 5 years after vaccination with varicella zoster (N=2 children) (Varicella virus vaccine live, Oka/Merck), as well as in non-infected subjects (N=3 children).