1. Centers for Disease Control and Prevention. FOIA Request, H1N1 Shipments through December 9, 2009,2009
2. Interim results: state-specific influenza A (H1N1) 2009 monovalent vaccination coverage – United States, October 2009–January 2010;Centers for Disease Control and Prevention;MMWR Morbidity and Mortality Weekly Report,2010
3. Report on Average age and Number of Vehicles. National Automobile Dealers Association;National Automobile Dealers Association,2006
4. The Henry J. Kaiser Family Foundation – Statehealthfacts.org. 50 State Comparisons,2010
5. Vaccine Depos assigned to States;Centers for Disease Control and Prevention,2010