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. 2009 Aug 20;14(33):19309.
doi: 10.2807/ese.14.33.19309-en.

Epidemiology of fatal cases associated with pandemic H1N1 influenza 2009

L Vaillant  1 , G La Ruche, A Tarantola, P Barboza; epidemic intelligence team at InVS
Collaborators, Affiliations
Free article

Epidemiology of fatal cases associated with pandemic H1N1 influenza 2009

L Vaillant et al. Euro Surveill. .
Free article

Abstract

This article describes the characteristics of 574 deaths associated with pandemic H1N1 influenza up to 16 July 2009. Data (except from Canada and Australia) suggest that the elderly may to some extent be protected from infection. There was underlying disease in at least half of the fatal cases. Two risk factors seem of particular importance: pregnancy and metabolic condition (including obesity which has not been considered as risk factor in previous pandemics or seasonal influenza).

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