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Salud Publica Mex. 2009 Sep-Oct;51(5):361-71.

[Epidemiological profile of mortality due to human influenza A (H1N1) in Mexico].

[Article in Spanish]

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  • 1Organización Panamericana de la Salud/Organización Mundial de la Salud, México.

Abstract

OBJECTIVE:

To carry out the epidemiological analysis of 122 influenza A (H1N1) deaths confirmed by laboratory and help to improve the diagnosis and timely managing of cases.

MATERIAL AND METHODS:

A total of 122 clinical records were analyzed of patients with confirmed influenza A (H1N1) virus infection who died.

RESULTS:

Fifty-one percent of patients were female and 49% were male. A total of 45.l% who died were between 20 and 39 years old. Overall fatality was 2.2% and ranged between 0.3% for the l0 to l9 year-old group to 6.3% for the 50 to 59 year-old group. Forty-three percent of deaths were concentrated in only two of the thirty-two states and 5l% received medical attention in social security institutions. Only l7% received hospital attention within 72 hours and 42% died within 72 hours of hospital attention.

DISCUSSION:

Novel Influenza A (H1N1) virus produces higher mortality in young people whereas seasonal influenza has a greater impact on young children and older people. Delay in medical care and the associated morbidity were relevant factors for death.

PMID:
19936549
[PubMed - indexed for MEDLINE]
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