This Microbiological Risk Assessment series provides a range of data and information to those who need to understand or undertake MRA. It comprises risk assessments of particular pathogen-commodity combinations, interpretative summaries of the risk assessments, guidelines for undertaking and using risk assessment and reports addressing other pertinent aspects of MRA. This series provide a greater insight into MRA, how it is undertaken and how it can be used. The Microbiological Risk Assessment Series contain information that is useful to risk managers such as the Codex Alimentarius, governments and food regulatory agencies, scientists, food producers and industries and other people or institutions working in the area of microbiological hazards in foods, their impact on human health and food trade and their control.