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IID-12.2 Data Details

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IID-12.2 Increase the percentage of children aged 2 to 4 years who are vaccinated annually against seasonal influenza

About the Data

Description of the data source, numerator, denominator, survey questions, and other relevant details about the national estimate.

Changed Since the Healthy People 2020 Launch: 
Baseline (Year): 
39.6 (2008)
Target-Setting Method: 
Maintain consistency with national programs, regulations, policies, and laws.

Number of children aged 2 to 4 years who receive 1 dose of influenza vaccine during the most recent influenza season


Children aged 2 to 4 years at the time of the interview. Only interviews conducted from March through August of the data year are included.

Comparable Healthy People 2010 Objective: 
Not applicable
Questions Used to Obtain the National Baseline Data: 

    From the 2008 National Health Interview Survey:


    During the PAST 12 MONTHS, has (Sample child) had a flu shot? A flu shot is usually given in the fall and protects against influenza for the flu season.

Methodology Notes: 

    This measure tracks the number of children aged 2 to 4 years who receive 1 dose influenza vaccine within the past influenza season.

    The Advisory Committee on Immunization Practices (ACIP) recommends two doses of influenza vaccine when needed for children 6 months to 8 years of age. However, the National Health Interview Survey (NHIS) does not ask about more than one dose for children less than 9 years of age, nor does it ask about prior season vaccinations (this would be required to determine if two doses were indicated for the current season).

Revision History

Any change to the objective text, baseline, target, target-setting method or data source since the Healthy People 2020 launch.

Description of Changes Since the Healthy People 2020 Launch: 
In 2013, objectives IID-12.1 through 12.4 objectives were consolidated and revised to IID-12.11.