The Lancet, December 2009

Safety and immunogenicity of 2009 pandemic influenza A H1N1 vaccine when administered alone or simultaneously with the seasonal influenza vaccine for the 2009—10 influenza season: a multicentre, randomised controlled trial The Lancet, Volume 3375, Issue 9708, pages 49 – 55, 2 January 2010 (impact factor: 28,400)

The efficacy of the H1N1 vaccines is proven by comprehensive clinical research.

Eurosurveillance, October 2009

ECDC comparative analysis relating pandemic influenza A(H1N1) vaccines.

Pandemic influenza A(H1N1) 2009 vaccines in the European Union

Clinical and Vaccine Immunology, November 2008

Cross-reactive immunity in adult and elderly patients against clade 2 influenza A H5N1 virus strains induced by Fluval, a reverse genetic-derived adjuvanted H5N1 clade 1 prototype pandemic influenza vaccine Clinical and Vaccine Immunology 2008 Nov 19 (impact factor: 2,373)