Institute of Medicine. Review of the Centers for Disease Control and Prevention's smallpox vaccination program implementation: letter report #1. Washington: National Academies Press; 2003:1–44.
2.
EnserinkM. Smallpox vaccination campaign in the doldrums. Science2003;300:880–1.
3.
Centers for Disease Control and Prevention (US). Smallpox vaccination program status by state [cited 2003 Aug 13]. Available from: URL: http://www.cdc.gov/od/oc/media/spvaccin.htm
4.
Department of Health and Human Services (US). Bioterrorism funding by state/city/territory for FY2002 [cited 2003 Aug 14]. Available from: URL: http://www.hhs.gov/ophp/funding/