2009 Pandemic inluenza A(H1N1) virus in Scotland: geographically variable immunity in Spring 2010, following the winter outbreak

Adamson, W.E. and Maddi, S. and Robertson, C. and McDonagh, S. and Molyneaux, P.J. and Templeton, K.E. and Carman, W.F. (2010) 2009 Pandemic inluenza A(H1N1) virus in Scotland: geographically variable immunity in Spring 2010, following the winter outbreak. Eurosurveillance, 15 (24). ISSN 1560-7917

Abstract

We determined the age- and location-specific seroprevalence of antibodies against 2009 pandemic influenza A(H1N1) virus in Scotland following the first two waves of infection. Serum samples collected following the winter outbreak were analysed by microneutralisation assay. The proportion of positive sera varied significantly between cities and, in the case of Inverness, between age groups (with younger adults more likely to be positive than older individuals). This study demonstrates that older people are no longer more likely to have antibodies against the virus than younger adults.

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