The 2009 H1N1 vaccination campaign was one of the largest public health campaigns in U.S. history, vaccinating one-quarter of the population in the first three months. The Institute of Medicine held three workshops in Raleigh, NC; Austin, TX; and Seattle, WA to learn from participants' experiences during the campaign and improve future emergency vaccination programs.Table of ContentsFront Matter1 Introduction2 Vaccine Supply3 Vaccine Distribution4 Implementation of ACIP Recommendations5 Vaccine Administration Methods and Partners6 Vaccination Rates in Certain Populations7 Data Collection, Monitoring, Evaluation, and Use8 Communications and Media9 Funding and Payment Issues10 Research and Planning11 Final RemarksAppendix A: ReferencesAppendix B: Workshop AgendasAppendix C: Workshop Speakers and Registered Attendees