How long does the Zostavax vaccine remain effective for the prevention of herpes zoster (shingles)?

Updated: Jan 25, 2019
  • Author: Camila K Janniger, MD; Chief Editor: Dirk M Elston, MD  more...
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Answer

The effective duration of this vaccination is not yet known. However, ongoing follow-up of a portion of the study population has demonstrated that benefits persist for at least 5 years after vaccination, though their magnitude declines somewhat over time. [131]


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