Description of the data source, numerator, denominator, survey questions, and other relevant details about the national estimate.
From the 2010 National Health Interview Survey:
DURING THE PAST 12 MONTHS, have you had a flu shot? A flu shot is usually given in the fall and protects against influenza for the flu season.
During what month and year did you receive your most recent flu shot?
Enter year of most recent flu vaccine.
DURING THE PAST 12 MONTHS, have you had a flu vaccine sprayed in your nose by a doctor or other health professional? A health professional may have let you spray it. This vaccine is usually given in the fall and protects against influenza for the flu season.
During what month and year did you receive your most recent flu nasal spray?
Enter year of most recent flu nasal spray.
In the 2010-11 season, the Advisory Committee for Immunization Practices (ACIP) recommended that all persons aged 6 months and over receive the influenza vaccine. To better assess influenza vaccination coverage for each season, we reported coverage restricted to individuals interviewed during September through June, and vaccinated during August through May, using the Kaplan-Meier survival analysis procedure. Vaccination month was imputed when the adult was reported to have been vaccinated but was missing the month and/or year of vaccination.
Any change to the objective text, baseline, target, target-setting method or data source since the Healthy People 2020 launch.
In 2014, objectives IID-12.5 through 12.8, assessing seasonal influenza vaccination coverage among adults were consolidated into objective IID-12.12. The age and risk groups of the individual objectives were combined to cover all persons aged 18 years and over. The annual time period was revised from calendar year to influenza season.
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