RIVM report 250912004/2005 Biodiversity in Bacillus cereus A. Pielaat, M. Fricker, M.J. Nauta, F.M. van Leusden Contact: Annemarie Pielaat MGB; Microbiologisch laboratorium voor gezondheidsbescherming [email protected] This investigation has been performed in cooperation with the partners as recognized in the acknowledgements by order and for the account of the Fifth European Community Framework Programme, within the framework of project QLK1-CT-2001-00854, Bacillus cereus: Preventing Bacillus cereus foodborne poisoning in Europe; detecting hazardous strains, tracing contamination routes and proposing criteria for foods. And, by order and for the account of Food and Consumer Product Safety Authority (VWA), within the framework of project 250912, Quantitative research of Bacillus cereus within the scope of hazard characterization and exposure assessment. RIVM, P.O. Box 1, 3720 BA Bilthoven, telephone: 31 - 30 - 274 91 11; telefax: 31 - 30 - 274 29 71, E-mail address: annemarie.pielaat@rivm.nl