Skip directly to site content Skip directly to search
Español | Other Languages
U.S. flag An official website of the United States government
Official icon

Official websites use .gov

A .gov website belongs to an official government organization in the United States.

Lock icon

Secure .gov websites use HTTPS

A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

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

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

Print
Minus
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
  • Facebook
  • Twitter
  • LinkedIn
  • Syndicate
homeNIS Home
  • About NIS
  • For Participantsplus icon
    • Frequently Asked Questions
  • For Healthcare Professionalsplus icon
    • Frequently Asked Questions
  • Data, Tables & Documentationplus icon
    • National Immunization Survey - Child Files 2010 – 2014
    • National Immunization Survey - Child Files 2009 – Prior
    • National Immunization Survey - Teen Files 2008 – 2014
    • National 2009 H1N1 Flu Survey (NHFS)
    • Notice to Data Users
  • Resources & Publicationsplus icon
    • Papers and Publications for the National Immunization Survey
  • Confidentiality
  • About CDC
  • Contact Us
  • 800-232-4636
Facebook Twitter Instagram LinkedIn Youtube Pinterest Snapchat RSS
  • Contact Us
    Call 800-232-4636
    Email Us
    • About CDC
    • Jobs
    • Funding
    • Accessibility
    • External Links
    • Privacy
    • Web Policies
    • FOIA
    • OIG
    • No Fear Act
    • Nondiscrimination
    • Vulnerability Disclosure Policy
    • CDC Archive
    • Public Health Publications
    • HHS.gov
    • USA.gov
    • Facebook
    • Twitter
    • Instagram
    • LinkedIn
    • Youtube
    • Pinterest
    • Snapchat
    • Email
    • Español
    • 繁體中文
    • Tiếng Việt
    • 한국어
    • Tagalog
    • Русский
    • العربية
    • Kreyòl Ayisyen
    • Français
    • Polski
    • Português
    • Italiano
    • Deutsch
    • 日本語
    • فارسی
    • English
  • Accessibility
  • External Links
  • Privacy
  • Web Policies
  • FOIA
  • OIG
  • No Fear Act
  • Nondiscrimination
  • Vulnerability Disclosure Policy
  • CDC Archive
  • Public Health Publications
  • HHS.gov
  • USA.gov
SAS stats