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        Centers for Disease Control and Prevention. CDC twenty four seven. Saving Lives, Protecting People CDC Logo CDC Logo
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        National Immunization Surveys

        Datasets and Related Documentation for the National 2009 H1N1 Flu Survey (NHFS)

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        Related Pages
        • Readme File [TXT – 8 KB]
        • Data User’s Guide [PDF – 1.1 MB]
        • Questionnaire [PDF – 444 KB]
        • Data Documentation, Codebook and Frequencies [PDF – 620 KB]
        • Dataset [DAT – 17.5 MB]
        • SAS Input Statements [SAS – 32 KB]
        • R Input Statements [R – 47 KB]
        Last Reviewed: November 6, 2015
        Source: National Center for Health Statistics
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