Nazareth I, Tavares F, Rosillon D, et al. Safety of AS03-adjuvanted split-virion H1N1 (2009) pandemic influenza vaccine: a prospective cohort study. BMJ Open 2013;3:e001912. The ‘Patient consent’ statement is incorrect. For the correct information, readers should refer to the ‘Ethical approval’ statement, the ‘Study design’ section and the ‘Study participants’ section of the manuscript.