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Number of influenza shots on record

Codes and Frequencies

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For sample children under 18 years old who have an immunization record, IMRFLUNO reports the number of flu shots that are on the person's record.

Users are strongly encouraged to visit the Universe tab for more information on changes in the universe across surveyed years.


Changes in the universe limit the comparability of this variable. As always, users are advised to use the appropriate weight for their analyses.


  • 1997: Sample children under 18, and all children 19-35 months old in quarters 1 and 2 and 12-35 months old in quarters 3 and 4, with available shot records.
  • 1998-2002: Sample children under 18, and all children 12-35 months old, with available shot records.
  • 2003: Sample children under 18, with available shot records.


  • 1997-2003