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Annual season influenza vaccinations

This indicator shows the percentage of adults who are vaccinated annually against seasonal influenza. For many people, the seasonal flu is a mild illness, but for some it can lead to pneumonia, hospitalization, or death. Vaccination of persons in high-risk populations is especially important to reduce their risk of severe illness or death

Measurement Period: 2015

HP 2020:
HP 2020:
HP 2020:

Data Trend

  • 49.1

    Jurisdiction20112012201320142015
    Maryland4141.544.641.742.9


    Jurisdiction20112012201320142015
    Allegany40.133.734.635.141.3
    Anne Arundel4342.547.144.546.1
    Baltimore City45.444.24442.239.1
    Baltimore County4445.745.946.446.5
    Calvert43.13642.938.443.4
    Caroline32.529.147.433.638.3
    Carroll34.44346.137.536.8
    Cecil44.942.446.441.439.1
    Charles37.231.444.936.741.5
    Dorchester45.333.546.438.253.3
    Frederick39.639.545.641.841.3
    Garrett31.634.335.436.731.7
    Harford36.545.553.341.743.3
    Howard46.151.946.845.953.5
    Kent32.236.443.942.431.5
    Montgomery46.643.148.745.850.7
    Prince George's31.134.136.934.432.9
    Queen Anne's50.336.153.643.436.4
    Saint Mary's34.833.236.942.742.1
    Somerset37.829.139.229.534.5
    Talbot50.250.649.247.146.3
    Washington33.344.13835.529
    Wicomico43.732.142.834.351.4
    Worcester38.544.945.442.625.6

Data Details

  • Source Maryland DHMH Behavioral Risk Factor Surveillance System (BRFSS) (www.marylandbrfss.org)
    Numerator Maryland adults who reported they have had either a seasonal flu shot or a flu vaccine sprayed in their nose during the past year.
    Denominator Maryland adults age 18 and over
    Reporting Threshold (*) 50 or relative standard error >=30.0%
    Calculation Weighted (Numerator/Denominator)*100= Single-Year Calculation
    Race/ ethnicity All races/ ethnicities (aggregated)
    Black Non-Hispanic,
    Hispanic,
    White Non-Hispanic,
    Asian Non-Hispanic
    Other

    In 2011, the BRFSS weighting methodology was changed. This makes data collected from 2011 forward incomparable to data collected prior to 2011. The SHIP resumed including BRFSS data in 2013, where baselines from 2011 BRFSS data were calculated.

    Data collected from survey respondents are adjusted to more accurately represent the Maryland population. This is called "weighted data". Learn more about weighted data here: http://www.marylandbrfss.org/pdf/BRFSS-Special-Report-9-12.pdf

 
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