Content on this page was developed during the 2009-2010 H1N1 pandemic and has not been updated.

• The H1N1 virus that caused that pandemic is now a regular human flu virus and continues to circulate seasonally worldwide.
• The English language content on this website is being archived for historic and reference purposes only.
• For current, updated information on seasonal flu, including information about H1N1, see the CDC Seasonal Flu website.

• The 2009 H1N1 Pandemic Influenza Pandemic: A Review of Lessons Learned
  Excerpt from Immunization Update 2010. August 5, 2010 | Transcript (HTML)
• Public Health Grand Rounds: Why H1N1 Still Matters
  This special 1st anniversary session of Public Health Grand Rounds reviewed the roles that preparedness, surveillance, vaccinedevelopment, and risk communication played in the 2009 H1N1 response, discussed lessons learned, and tackled the myths and truths of this controversial and still relevant public health issue.
Dr. Anne Schuchat RADM, US Public Health Service Assistant Surgeon General
Director, National Center for Immunization and Respiratory Diseases, CDC
• Press Briefing Transcript:
  Dr. Thomas Frieden's Remarks at the 2010 Influenza Workshop for Journalists Monday, August 23, 2010
• The 2009 H1N1 Pandemic:
  Summary Highlights, April 2009-April 2010 Updated: June 16, 2010
• Presentation: "2009 H1N1: Overview of a Pandemic, April 2009 - August 2010" (77 Slides, 12.1 MB)
  (Also available: HTML version provided for Section 508 compliance)
• CDC Media Advisory: Clinical Infectious Diseases Journal Supplement on 2009 H1N1 Pandemic
  Newly published CID articles highlight the science behind the Federal government’s response to the 2009 H1N1 pandemic.
• Lessons from a Virus: Public Health Laboratories Respond to the H1N1 Pandemic