Influenza H1N1 (swine flu) vaccination: a safety surveillance feasibility study using self-reporting of serious adverse events and pregnancy outcomes.

"Competing Interests There are no competing interests to declare."

"We would like to thank the patients and health professionals who participated in this study and acknowledge the contributions of the following people to early discussions about this study: Professor Sir Lewis D Ritchie OBE Centre of Academic Primary Care (University of Aberdeen), Professor Helen Smith, Head of Division of Public Health and Primary Care, Chair of Primary Care, Director of Student Support (University of Brighton), Professor Richard Martin, Professor of Clinical Epidemiology, Department of Social Medicine (University of Bristol), Professor Munir Pirmohamed, NHS Chair of Pharmacogenetics, Deputy Director, MRC Centre for Drug Safety Science, Department of Pharmacology (University of Liverpool), Professor Jonathan Van-Tam, Professor of Health Protection and Professor Tony Avery, Professor in Primary Care, Institute of Clinical Research (University of Nottingham), Professor C.P. Farrington (Open University), Dr Claire Doe, Clinical Research Fellow, Dr Victoria Cornelius, Statistician and Mr Shayne Freemantle (DSRU) and Dr Daniel Rutherford, Clinical Trials Physician and General Practitioner (University of Dundee)."