1. Mortality Associated With Influenza and Respiratory Syncytial Virus in the United States
2. Influenza-Associated Hospitalizations in the United States
3. World Health Organization. Confirmed human cases of avian influenza A (H5N1). Available at: http://www.who.int/csr/disease/avian_influenza/country/en/. Accessed 30 August 2006.
4. US Department of Health and Human Services. HHS Pandemic Influenza Plan. Washington, DC: US Department of Health and Human Services, 2006. Available at: http://www.hhs.gov/pandemicflu/plan/. Accessed 9 August 2006.
5. US Homeland Security Council. National strategy for pandemic influenza implementation plan. Washington, DC: US Homeland Security Council, 2006.