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The Medical Service is sworn to professional secrecy.  Please do not hesitate to contact us in confidence concerning a professional or personal problem.

The role of occupational medicine at CERN is detailed in the Safety Regulation SR-SO - Annex 2. This code defines the rules that are applicable to occupational medicine at CERN and establishes its role



The Medical Service shall:

  • support the implementation, in the field of occupational medicine, of the CERN Safety Policy, the CERN Safety Rules, the CERN Safety Objectives and best practices;
  • monitor the health of employed Members of the Personnel and advise on their fitness to perform their work;
  • contribute to the protection of the health of persons participating in CERN's activities or present on its site;
  • provide initial medical attention on the CERN site;
  • participate, in collaboration with the relevant services, in the provision of emergency medical responses in accordance with agreements between CERN and its Host States;
  • assist in the prevention and detection of occupational accidents and illnesses;
  • assist in the prevention of work-related psychological problems.

Personnel working for the Medical Service shall observe medical secrecy.

The Medical Service shall carry out its mission in accordance with the applicable provisions of the Staff Rules and Regulations, including the relevant administrative and operational circulars, the CERN Safety Rules, the CHIS rules, the CERN Pension Fund rules, Laws and best practices in matters of occupational medicine.


To achieve its mission, the Medical Service shall in particular:

  • monitor work-related factors that may affect health;
  • monitor personnel exposed to potentially harmful occupational hazards as defined by the Staff Rules and Regulations and the CERN Safety Rules;
  • carry out general and specialised compulsory medical examinations as defined by the Staff Rules and Regulations, the CERN Safety Rules, the CHIS rules and the CERN Pension Fund rules;
  • carry out supplementary examinations such as blood tests, biological and toxicological examinations, electrocardiograms, sight tests, hearing tests and lung-capacity tests;
  • carry out workplace visits;
  • provide persons injured or falling ill on the CERN site with initial medical attention;
  • provide psychological support by means of a dedicated psychologist;
  • provide vaccinations and recommendations for duty trips, as required;
  • promote prevention of addictions such as smoking and alcohol and drug addictions;
  • draw up medical statistics and keep medical records;
  • collaborate, with the CERN Medical Advisor and services in the Host States specialised in occupational medicine, as required;
  • collaborate with other organic units, in particular the HSE Unit and the FRS, as well as with CERN Human Resources Advisors and the Ombud.

The CERN medical officers shall:

  • decide on the type of examination relevant for each particular case and perform it according to the most advanced practices. They may call on specialists outside the Organization for additional examinations;
  • advise on the fitness of employed Members of the Personnel to perform work, including specific tasks assigned to them. For this purpose, they lay down the applicable criteria based on the best practices applied in the Host States;
  • manage the follow-up of occupational accidents and illnesses;
  • provide the Human Resources (HR) department with medical opinions in the context of procedures laid down in the CERN Staff Rules and Regulations.


The head of the Medical Service shall report to the Director-General on the activities of the Medical Service, on CERN-wide issues regarding occupational medicine, and on any specific situation relating to a pandemic alert or contagious disease, in coordination with the World Health Organization (WHO) and the Host States.


To carry out its mission, the Medical Service shall have at its disposal at least:

  • medical doctors specialised in occupational health;
  • an infirmary equipped with installations for medical emergencies;
  • a psychologist;
  • a laboratory for medical analyses;
  • a medical secretariat;
  • a medical database including a record of occupational hazards.

The head of the Medical Service shall ensure that all Medical Service personnel receive continuous training to keep them up-to-date with best medical practice.

The CERN medical service cannot deal with the following:

  • family members of people working on the CERN site.
  • the provision of medical certificates for sport, however this can be requested during your periodical medical visit.
  • for an accident that occurred off the CERN site and that is not connected to CERN.

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