Any compound present in edible tissues that results from the use of a drug, and includes the drug, its metabolites, and any other substance formed in or on food because of the drug’s use.
The major sources of information are networks for public health monitoring and surveillance (in particular communicable disease reporting systems under Decision 2119/98), surveillance plans of zoonoses and residues, rapid alert systems, information systems in the agricultural sector, environmental radioactivity monitoring and research activities and associated research networks.