In this news article by Tessa Richards we wrongly attributed the report “Collateral damage: the health and environmental costs of war on Iraq” to the World Health Organization (19 April, p 837). As we stated, Jane Salvage wrote the report, but it was in fact commissioned by Medact, a UK organisation of health professionals working for global health. The report can be viewed on Medact's website (http://www.medact.org/) and is also available by email (info{at}medact.org).