Influenza A(H1N1)2009 antibody seroprevalence in Scotland following the 2010/11 influenza season

W E Adamson; E C McGregor; K Kavanagh; J McMenamin; S McDonagh; P J Molyneaux; K E Templeton; W F Carman

doi:10.2807/ese.16.20.19871-en

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Influenza A(H1N1)2009 antibody seroprevalence in Scotland following the 2010/11 influenza season
W E Adamson¹ , E C McGregor¹ , K Kavanagh² , J McMenamin³ , S McDonagh⁴ , P J Molyneaux⁵ , K E Templeton⁶ , W F Carman¹
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Affiliations: ¹ West of Scotland Specialist Virology Centre, Glasgow, Scotland ² University of Strathclyde, Glasgow, Scotland ³ Health Protection Scotland, Glasgow, Scotland ⁴ Microbiology Department, Raigmore Hospital, Inverness, Scotland ⁵ Department of Medical Microbiology, Aberdeen Royal Infirmary, Aberdeen, Scotland ⁶ Edinburgh Specialist Virology Centre, Edinburgh, Scotland

Correspondence:
W Adamson
Walt.Adamson ggc.scot.nhs.uk
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Citation style for this article: Adamson W E, McGregor E C, Kavanagh K, McMenamin J, McDonagh S, Molyneaux P J, Templeton K E, Carman W F. Influenza A(H1N1)2009 antibody seroprevalence in Scotland following the 2010/11 influenza season. Euro Surveill. 2011;16(20):pii=19871. https://doi.org/10.2807/ese.16.20.19871-en Received: 17 May 2011

Abstract

Following the 2010/11 influenza season, we determined the age- and location-specific seroprevalence of antibodies against the influenza A(H1N1)2009 virus in Scotland. Samples were analysed by microneutralisation assay. Age/seropositivity profiles varied significantly between cities. The increases in seroprevalence relative to the previous influenza season (2009/10) were similar across age groups and geographic locations. However, the increased seropositivity in older adults appeared to be driven by exposure to vaccination, indicating significantly lower levels of infection than in younger age groups.