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Euro Surveill. 2009 Oct 22;14(42). pii: 19366.

The 2009 pandemic H1N1 influenza and indigenous populations of the Americas and the Pacific.

Author information

1
French Institute for Public Health Surveillance (Institut de Veille Sanitaire, InVS), St Maurice, France. g.laruche@invs.sante.fr

Abstract

There are few structured data available to assess the risks associated with pandemic influenza A(H1N1)v infection according to ethnic groups. In countries of the Americas and the Pacific where these data are available, the attack rates are higher in indigenous populations, who also appear to be at approximately three to six-fold higher risk of developing severe disease and of dying. These observations may be associated with documented risk factors for severe disease and death associated with pandemic H1N1 influenza infection (especially the generally higher prevalence of diabetes, obesity, asthma, chronic obstructive pulmonary disease and pregnancy in indigenous populations). More speculative factors include those associated with the risk of infection (e.g. family size, crowding and poverty), differences in access to health services and, perhaps, genetic factors. Whatever the causes, this increased vulnerability of indigenous populations justify specific immediate actions in the control of the current pandemic including primary prevention (intensified hygiene promotion, chemoprophylaxis and vaccination) and secondary prevention (improved access to services and early treatment following symptoms onset) of severe pandemic H1N1 influenza infection.

PMID:
19883543
DOI:
10.2807/ese.14.42.19366-en
[Indexed for MEDLINE]
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