1. U.S. Department of Health and Human Services. Healthy People 2010. Conference edition in 2 vols. Washington DC: U.S. Department of Health and Human Services, 2000. Available at: http://www.health.gov/healthypeople/document/tableofcontents.htm. Accessed December 1, 2001
2. National Center for Health Statistics. Early release of selected estimates from the 2000 and early 2001 National Health Interview Surveys, 2001. Available at: http://www.cdc.gov/nchs/releases/01facts/keyhealth.htm. Accessed December 1, 2001
3. Mortality associated with influenza and respiratory syncytial virus in the United States;Thompson;JAMA,2003
4. Prevention and control of influenza;MMWR Morb Mortal Wkly Rep,2001
5. Influenza vaccines;Palache;Drugs,1997