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Epidemiological characteristics of pandemic influenza H1N1 2009 and seasonal influenza infection

Heath A Kelly, Kristina A Grant, Simon Williams, James Fielding and David Smith
Med J Aust 2009; 191 (3): 146-149.
  • Heath A Kelly1
  • Kristina A Grant1
  • Simon Williams2
  • James Fielding3
  • David Smith2

  • 1 Epidemiology Unit, Victorian Infectious Diseases Reference Laboratory, Melbourne, VIC.
  • 2 PathWest Laboratory Medicine, Perth, WA.
  • 3 Communicable Disease Prevention and Control Unit, Victorian Department of Human Services, Melbourne, VIC.

Correspondence: heath.kelly@mh.org.au

Competing interests:

None identified.

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  • 2. Kelly H, Grant K, Williams S, Smith D. H1N1 swine origin influenza infection in the United States and Europe in 2009 may be similar to H1N1 seasonal influenza infection in two Australian states in 2007 and 2008. Influenza Other Respi Viruses 2009; 3: 183-188. Epub 2009 Jun 8.
  • 3. Khiabanian H, Farrell GM, St George K, Rabadan R. Differences in patient age distribution between influenza A subtypes. 30 May 2009. Columbia University Libraries Academic Commons. http://app.cul.columbia.edu:8080/ac/handle/10022/AC:P:29810 (accessed Jul 2009).
  • 4. Dawood FS, Jain S, Finelli L, et al; Novel Swine-Origin Influenza A (H1N1) Virus Investigation Team. Emergence of a novel swine-origin influenza A (H1N1) virus in humans. N Engl J Med 2009; 360: 2605-2615. Epub 2009 May 7.
  • 5. Surveillance Group for New Influenza A(H1N1) Virus Investigation and Control in Spain. New influenza A(H1N1) virus infections in Spain, April–May 2009. Euro Surveill 2009; 14 (19): pii=19209.
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  • 7. Newall AT, Kelly H, Harsley S, Scuffham PA. Cost-effectiveness of influenza vaccination in older adults: a critical review of economic evaluations targeting the 50–64 year age group. Pharmacoeconomics 2009. In press.
  • 8. Newall AT, Scuffham PA. Influenza-related disease: the cost to the Australian healthcare system. Vaccine 2008; 26: 6818-6823.
  • 9. Fleming DM, Zambon M, Bartelds AI, de Jong JC. The duration and magnitude of influenza epidemics: a study of surveillance data from sentinel general practices in England, Wales and the Netherlands. Eur J Epidemiol 1999; 15: 467-473.
  • 10. Simonsen L. The global impact of influenza on morbidity and mortality. Vaccine 1999; 17 Suppl 1: S3-S10.
  • 11. Newall AT, Wood JG, Macintyre CR. Influenza-related hospitalisation and death in Australians aged 50 years and older. Vaccine 2008; 26: 2135-2141.
  • 12. Chowell G, Bertozzi SM, Colchero MA, et al. Severe respiratory disease concurrent with the circulation of H1N1 influenza. N Engl J Med 2009 Jun 29. [Epub ahead of print.]
  • 13. Victorian Infectious Diseases Reference Laboratory. Sentinel influenza surveillance. http://www.vidrl.org.au/surveillance/flu%20reports/flu_idx.html (accessed Jul 2009).
  • 14. Communicable Disease Control Directorate, Government of Western Australia Department of Health. Virus Watch. http://www.public.health.wa.gov.au/3/487/3/virus_watch_homepage.pm (accessed Jul 2009).
  • 15. Simonsen L, Taylor RJ, Viboud C, et al. Mortality benefits of influenza vaccination in elderly people: an ongoing controversy. Lancet Infect Dis 2007; 7: 658-666.
  • 16. Kelly H, Newall AT. Mortality benefits of influenza vaccination in elderly people. Lancet Infect Dis 2008; 8: 462-463; author reply 463-465.

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