Seroconversion to seasonal influenza viruses after A(H1N1)pdm09 virus infection, Quebec, Canada.
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).
Centre Hospitalier Universitaire de Quebec, Quebec City, Quebec, Canada.
Mariana
M
Baz
Jesse
J
Papenburg
Marie-Eve
ME
Hamelin
Manale
M
Ouakki
Danuta M
DM
Skowronski
Gaston
G
De Serres
Guy
G
Boivin
D000293:Adolescent; D000328:Adult; D000914:Antibodies, Viral / Q000097:blood / Q000276:immunology*; D002648:Child; D056738:Cross Protection; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype / Q000145:classification / Q000276:immunology* / Q000302:isolation & purification; D053122:Influenza A Virus, H3N2 Subtype / Q000276:immunology*; D007251:Influenza, Human / Q000453:epidemiology / Q000276:immunology* / Q000821:virology; D058873:Pandemics; D011792:Quebec / Q000453:epidemiology; D012621:Seasons; D055815:Young Adult
D000914:Antibodies, Viral