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Emerg Infect Dis. 2012 Jul;18(7):1132-4. doi: 10.3201/eid1807.111680.

Seroconversion to seasonal influenza viruses after A(H1N1)pdm09 virus infection, Quebec, Canada.

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  • 1Centre Hospitalier Universitaire de Quebec, Quebec City, Quebec, Canada.

Abstract

We looked for cross-reactive antibodies in 122 persons with paired serum samples collected during the 2009 pandemic of influenza virus A(H1N1)pdm09. Eight (12%) of 67 persons with A(H1N1)pdm09 infection confirmed by reverse transcription PCR and/or serology also seroconverted to the seasonal A/Brisbane/59/2007 (H1N1) virus, compared with 1 (2%) of 55 A(H1N1)pdm09-negative persons (p<0.05).

PMID:
22710312
[PubMed - indexed for MEDLINE]
PMCID:
PMC3376798
Free PMC Article
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