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The presence of certain bacteria or chemicals can modulate the intestinal microbiota of pigs and chickens. Studying these factors could help at the farm level to tackle micro-organisms that are pathogenic to humans, such as Campylobacter and Salmonella .

Certain work processes, including activities or working conditions, can cause cancer. How can their carcinogenicity be identified in order to better protect exposed workers? ANSES has developed a method for identifying carcinogenic processes, and used it to assess the carcinogenicity of three of them. It also drew up a priority list of processes needing expert appraisal over the coming years.

Neonicotinoids have long been used to combat aphids in crops Repeated use of these active substances has led to the selection of insects capable of resisting them. A study on the green peach aphid carried out by ANSES in collaboration with a research scientist from the University of Exeter (UK), revealed that resistance was based on two distinct mechanisms in this species. One is specific to the product's mode of action and the other is based on its degradation. The scientists' findings show that interactions between resistance mechanisms are possible, which is vital knowledge for adapting and adjusting control strategies.

Since ANSES's last general expert appraisal on the health effects of exposure to radiofrequencies in 2013, new data have been published in numerous scientific studies. The Agency therefore undertook a revision of its expert appraisal on the carcinogenic risk from exposure to radiofrequency electromagnetic fields. To do this, it applied an international reference method for assessing the weight of evidence to the new data. It is now submitting the corresponding draft expert appraisal report for public consultation, in order to collect any scientific comments that need to be taken into account when drafting the final version of the report. This public consultation began on 30 September 2024. The deadline, initially scheduled for 30 October, has been extended to 25 November 2024.

Antibiotic-resistant bacteria represent a major health problem in France and beyond. ANSES works alongside other organisations to ensure that antibiotics remain effective. More specifically, we are responsible for monitoring their use in veterinary medicine, as well as the emergence and spread of resistance in bacteria found in livestock, food and the environment.