Are we too clean: a report of a symposium on the hygiene hypothesis and its implications at the Royal Institute of Public Health, London, September 2002

In September 2002 a symposium on the hygiene hypothesis and its implications for hygiene was held at the Royal Institute of Public Health in London. The proceedings of the meeting were published in a supplement of the RIPH publication Health and Hygiene. A consensus statement by the contributors to the symposium was also published in March 2003.