A Pilot Study of Host Genetic Variants Associated with Influenza-associated Deaths among Children and Young Adults1

Ferdinands, Jill M.; Denison, Amy M.; Dowling, Nicole F.; Jost, Heather A.; Gwinn, Marta L.; Liu, Lindy; Zaki, Sherif R.; Shay, David K.

doi:10.3201/eid1712.111002

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A Pilot Study of Host Genetic Variants Associated with Influenza-associated Deaths among Children and Young Adults1

Published Date:

Dec 2011

Publisher's site:

http://dx.doi.org/10.3201/eid1712.111002 New Site Icon

Source:

Emerg Infect Dis. 17(12):2294-2302.

[PDF - 210.38 KB]

Details:

Personal Authors:

Ferdinands, Jill M. ; Denison, Amy M. ; Dowling, Nicole F. ; Jost, Heather A. ; Gwinn, Marta L. ; ... More ▼

Keywords:

[+]

Description:

We compared the prevalence of 8 polymorphisms in the tumor necrosis factor and mannose-binding lectin genes among 105 children and young adults with fatal influenza with US population estimates and determined in subanalyses whether these polymorphisms were associated with sudden death and bacterial co-infection among persons with fatal influenza. No differences were observed in genotype prevalence or minor allele frequencies between persons with fatal influenza and the reference sample. Fatal cases with low-producing MBL2 genotypes had a 7-fold increased risk for invasive methicillin-resistant Staphylococcus aureus (MRSA) co-infection compared with fatal cases with high- and intermediate-producing MBL2 genotypes (odds ratio 7.1, 95% confidence interval 1.6-32.1). Limited analysis of 2 genes important to the innate immune response found no association between genetic variants and fatal influenza infection. Among children and young adults who died of influenza, low-producing MBL2 genotypes may have increased risk for MRSA co-infection.

Document Type:

Journal Article

Collection(s):

Emerging Infectious Diseases

Supporting Files:

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