Exposure assessment is one of the four steps of microbiological risk assessment. This volume provides guidelines for the exposure assessment of microbiological hazards in food. It outlines the principles of exposure assessment as well as the data needed and approaches available for carrying out exposure assessment. This volume and others in this Microbiological Risk Assessment Series contain information that is useful to both risk assessors and risk managers, including international scientific committees, governments and food regulatory agencies, scientists, food producers and industries.