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Year of most recent Zostavax vaccination

Codes and Frequencies

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For sample adults aged 50 and older who have had a Zostavax vaccine (SHOTZOSTEV), SHOTZOSTYR reports the most recent year they had the Zostavax shot.

SHOTZOSTYR is part of a series of variables initiated in 2018 covering shingles vaccinations. Please refer to the Description tab in SHOTSHNGEV for more information about shingles vaccinations.

Note that Zostavax was licensed for use in the U.S. in 2006, so responses of years before 2006 were collapsed into one category.


The NHIS questionnaire was substantially redesigned in 2019 to introduce a different data collection structure and new content. For more information on changes in terminology, universes, and data collection methods beginning in 2019, please see the user note.


  • 2018: Sample adults 50+ who have had a Zostavax vaccine.
  • 2019-2020: Sample adults age 50+ who have had a Zostavax vaccine (SHOTZOSTEV).


  • 2018-2020