Certification is a compulsory independent assessment procedure for the quality and safety of care in public and private hospitals. It is conducted every 4 years by professionals (peers) appointed by the HAS (surveyors).

Healthcare simulation is a key teaching method for healthcare professionals , aimed at improving training, professional practices, and risk management.

Improving patient safety in hospital and health systems remains a global public health concern and an essential component of health care quality. It necessitates a comprehensive approach that involves shared principles and values in the promotion and implementation of a positive safety culture, an effective risk management program, and high-quality teamwork to reduce medical errors and prevent their occurrences.

Patient safety culture is a set of behaviours and attitudes that contribute to patient safety and that are shared collectively throughout the organisation (teams, healthcare facilities).

In accordance with HAS’ activity in supporting public authorities in vaccination policy-making, the committee is tasked with preparing the HAS’ Board deliberations, particularly with regards to: - Vaccine recommendations, including urgent Ministry of Health requests; - French Vaccination schedule set by the Ministry of Health; - Minimal disclosures required in publicity campaigns for vaccines.

The Economic and Public Health Committee ( Commission d’évaluation économique et de santé publique , CEESP) issues public health recommendations and technology appraisals based on clinical and economic evidence as well as on other domains (e.g. ethics, organisation). Technology is inclusive of medicinal products and devices, diagnostic and therapeutic techniques, systems of care, screening tools, etc. The committee also reviews single technology assessments from manufacturers and issues opinions on their efficiency, referred to as “efficiency opinion” in HAS publications. The CESSP can be commissioned by an external institution or by the College of HAS. It works in collaboration with other HAS committees.

The National Committee for the Evaluation of Medical Devices and Health Technologies ( Commission nationale d’évaluation des dispositifs médicaux et des technologies de santé, CNEDiMTS) examines questions relating to the evaluation of certain medical devices, medical procedures and other health technologies, with a view to their reimbursement by the health insurance scheme, and to their proper use.