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Scand J Infect Dis. 2006;38(10):894-7.

Lack of correlation between nutritional status and seroprotection against influenza in a long term care facility.

Author information

1
Geriatrics Department, University Hospital of Poitiers, 86021 Poitiers cedex, France. m.paccalin@chu-poitiers.fr

Abstract

We conducted a prospective study in a long-term care facility. Virologic diagnosis was assessed using viral isolation, polymerase chain reaction and serology for all patients with a flu-like syndrome. Albumin, vitamins and trace elements were also measured.

RESULTS:

The risk of influenza increased 6.5-fold in patients with an antibody titer of 40 during the influenza outbreak (P=0.04). Micronutrients and vitamins deficiencies were important. Patients with antibody titer >1:40 could still be infected by the virus without correlation with the nutritional status.

CONCLUSION:

Humoral protection with a titer >1:40 might not be protective in the elderly. Nutritional deficiencies were too prevalent to detect any effect on the results.

PMID:
17008234
DOI:
10.1080/00365540600749984
[Indexed for MEDLINE]
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