Assessment of baseline age-specific antibody prevalence and incidence of infection to novel influenza A/H1N1 2009.

Objectives The objectives of the H1N1 2009 serological surveillance project were twofold: to document (1) the prevalence of cross-reactive antibodies to H1N1 2009 by age group in the population of England prior to arrival of the pandemic strain virus in the UK and (2) the age-specific incidence of i... View More