1. The epidemiology of influenza;Stephenson;Occup Med,2002
2. Influenza Specialist Group. The impact of influenza [cited 2008 June 5] .
3. The unmet need in the elderly: designing new influenza vaccines for older adults;McIlhaney;Vaccine,2005
4. Antibody response to influenza vaccination in the elderly: a quantitative review;Goodwin;Vaccine,2006
5. Commonwealth Department of Health and Aging. Australian Technical Advisory Group on Immunisation (ATAGI)—The Australian immunisation handbook, 8th ed., Canberra, Australian Government, Department of Health and Aging, National Health and Medical Research Council; 2003. Available from http://www.immunise.health.gov.au/internet/immunise/publishing.nsf/Content/2438118A16A8C30BCA2574E2000F9A54/$File/complete_handbook.pdf [cited 2007 July 1].