Death from Pandemic (H1N1) 2009 | CDC EID

Death from Pandemic (H1N1) 2009 | CDC EID: "EID Journal Home > Volume 17, Number 7–July 2011
Volume 17, Number 7–July 2011
Dispatch
Age as Risk Factor for Death from Pandemic (H1N1) 2009, Chile

Jeannette Dabanch,1 Cecilia Perret,1 Comments to Author Manuel Nájera, Claudia González, Andrea Guerrero, Andrea Olea, Rodrigo Fasce, Cecilia Morales, and Jeanette Vega, for the Advisory Committee of the Chilean Ministry of Health2
ólica de Chile, Santiago (C. Perret); Chilean Ministry of Health, Santiago (M. Nájera, C. González, A. Guerrero, A. Olea, C. Morales, J. Vega); and Public Health Institute of Chile, Santiago (R. Fasce)

Suggested citation for this article

Abstract
Pandemic (H1N1) 2009 affected Chile during the winter of 2009. The hospitalization rate was 0.56% overall and 3.47% for persons >60 years of age at risk for severe disease and death independent of concurrent conditions. Age >60 years was the major risk factor for death from pandemic (H1N1) 2009.

On April 23, 2009, the World Health Organization issued alerts about the emergence of pandemic (H1N1) 2009. On May 17, during fall in the Southern Hemisphere, the first case of this disease in Chile was identified (1). Pandemic (H1N1) 2009 then replaced seasonal influenza, which had accounted for <1% of confirmed influenza cases in Chile (2). Immediately after the alerts, a national mandatory notification system was started in Chile for influenza-like illness (ILI) cases and hospitalized persons with pandemic (H1N1) 2009 in public and private institutions. We analyzed data for patients with confirmed pandemic (H1N1) 2009 hospitalized during epidemiologic weeks 20–32 (May 19–August 3), 2009.

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Suggested Citation for this Article

Dabanch J, Perret C, Nájera M, González C, Guerrero A, Olea A, et al. Age as risk factor for death from pandemic (H1N1) 2009, Chile. Emerg Infect Dis [serial on the Internet]. 2011 Jul [date cited]. http://www.cdc.gov/EID/content/17/7/1256.htm

DOI: 10.3201/eid1707.101398



1These authors contributed equally to this article.

2Additional members of this committee who contributed data to this study are listed at the end of this article.

Comments to the Authors

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Cecilia Perret, Division of Pediatrics, Department of Infectious Diseases, Pontificia Universidad Católica de Chile, Santiago, Chile; email: cperret@med.puc.cl