Qualitative risk assessment / Marion Wooldridge -- Using risk assessment principles in an emerging paradigm for controlling the microbial safety of foods / Richard C. Whiting and Robert L. Buchanan -- Microbial ecology in food safety risk assessment / Tom Ross -- The modular process risk model (MPRM): a structured approach to food chain exposure assessment / Maarten J. Nauta -- Using risk analysis for microbial food safety regulatory decision making / Sherri B. Dennis ... [et al.] -- Integrating concepts: a case study using Enterobacter sakazakii in infant formula / Martine W. Reij and Marcel H. Zwietering -- Communication about microbial risks in foods / William K. Hallman.