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Cross-cutting science

EFSA's Scientific Committee has the task of supporting the work of the panels on cross-cutting scientific issues. It focuses on developing harmonised risk assessment A specialised field of applied science that involves reviewing scientific data and studies in order to evaluate risks associated with certain hazards. It involves four steps: hazard identification, hazard characterisation, exposure assessment and risk characterisation methodologies in fields where EU-wide approaches are not yet defined.

In addition, some risk assessments are relevant in two or more areas of EFSA's work and require a cross-cutting approach. This includes our work monitoring, collecting and analysing information to identify emerging risks.

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Have your say - microorganisms used in the food chain

We’re currently collecting feedback on our draft guidance on the characterisation and risk assessment of microorganisms used in the food chain. All those with an interest in this topic –partner organisations, scientists, food businesses, etc. – are welcome to submit comments and any additional scientific information by the deadline of 7 February 2025.

A diverse array of products used in the food chain contain microorganisms or are prepared/obtained from/with microorganisms. EFSA’s scientists assess their safety before they can be authorised for the EU market. Specific guidance/reference documents detail the data requirements for the risk assessment in the different sectors of the food chain, e.g. food/feed additives, food enzymes, genetically modified microorganisms.

The characterisation of the microorganisms provides information relevant for the safety assessment which should be the same irrespective of the intended food sector: their taxonomic identification and traits/genes of concern; any genetic modification(s).

The draft guidance aims to ensure alignment of the characterisation of microorganisms and harmonisation of the requirements for applications underpinning the assessment of microorganisms across the entire food chain.

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