What is the rationale for vaccination against VZV?

Updated: Feb 11, 2021
  • Author: Camila K Janniger, MD; Chief Editor: Dirk M Elston, MD  more...
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It has been proposed that zoster occurs when varicella antibody titers and varicella-specific cellular immunity drop to a level at which they no longer are completely effective in preventing viral invasion. Evidence for this hypothesis includes observation that pediatricians, who presumably are reexposed to varicella virus routinely and thus maintain high levels of immunity, seldom develop zoster. It follows that there is a rationale for vaccination.

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