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- Title
A Pilot Study of Host Genetic Variants Associated with Influenza-associated Deaths among Children and Young Adults.
- Authors
Ferdinands, Jill M.; Denison, Amy M.; Dowling, Nicole F.; Jost, Heather A.; Gwinn, Marta L.; Liu, Lindy; Zaki, Sherif R.; Shay, David K.
- Abstract
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 highand 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.
- Subjects
UNITED States; INFLUENZA viruses; VIRUS diseases; GENE frequency; SINGLE nucleotide polymorphisms; JUVENILE diseases
- Publication
Emerging Infectious Diseases, 2011, Vol 17, Issue 12, p2294
- ISSN
1080-6040
- Publication type
Article
- DOI
10.3201/eid1712.111002