Comparison of adult patients hospitalised with pandemic (H1N1) 2009 influenza and seasonal influenza during the "PROTECT" phase of the pandemic response

Gosbell, Iain B; van Hal, Sebastiaan J; Spencer, Peter M; Chang, Ya-Shu; Collett, Peter W

doi:10.5694/j.1326-5377.2010.tb03546.x

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In reply: Our study found that both subtypes of influenza caused substantial morbidity and mortality, but that there was no difference in outcomes between patients infected with seasonal and pandemic (H1N1) 2009 influenza.1

1 University of Western Sydney, Sydney, NSW.
2 Sydney South West Pathology Service, Sydney, NSW.
3 Liverpool Hospital, Sydney, NSW.

Correspondence: i.gosbell@uws.edu.au

1. Chang Y-S, van Hal SJ, Spencer PM, et al. Comparison of adult patients hospitalised with pandemic (H1N1) 2009 influenza and seasonal influenza during the “PROTECT” phase of the pandemic response. Med J Aust 2010; 192: 90-93. <MJA full text>
2. Australian Government Department of Health and Ageing. Australian influenza surveillance summary report no. 32, 2009, Reporting period: 12 December 2009 – 18 December 2009. Canberra: Department of Health and Ageing, 2009: 1-6. http://www.health.gov.au/internet/healthemergency/ publishing.nsf/Content/18D06BAC4644C98 DCA25763E00823442/$File/ozflu-no32-2009.pdf (accessed Feb 2010).
3. The ANZIC Influenza Investigators. Critical care services and 2009 H1N1 influenza in Australia and New Zealand. N Engl J Med 2009; 361: 1925-1934.

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