Access and work on CERN site:

Last updated: 29 octobre 2020

Work on the CERN has been resuming with caution and with the implementation of specific COVID-19-related health and safety measures. CERN members of personnel shall work on-site as agreed with their supervisor. Specific instructions apply to ill persons, persons above 65 and vulnerable persons (see below)

Please note that anyone (members of personnel, contractors, visitors or others) returning from a country/area mentioned in at least one of the lists of countries and areas with a high risk of coronavirus infection published by the Swiss or French authorities will not be allowed on CERN sites for 10 days after the date of their return to Switzerland or France.

Users shall come to the sites only if thus instructed by the Experiment Spokespersons or Technical Coordinators and in agreement with their home institutions.

The COVID-19 safety course must be successfully completed for access to the CERN by all members of personnel and contractors.

All members of personnel and contractors who are newcomers to CERN must take note of CERN instructions on COVID-19 related health and safety measures , CERN instructions on COVID-19 related health and safety measure for contractors and complete the self-declaration form, which is mandatory to access the sites.

(ref: Annex 1; ch.2)

Access to CERN sites for people with vulnerabilities

Last updated: 29 October 2020

Part of CERN’s duty of care is to protect the health of persons with vulnerabilities, for whom the consequences of an infection may be more serious. In this context the following measures are in place at CERN:

  • Members of personnel aged 65 and over: on-site access is not allowed, unless they are called by their supervisor or Technical Coordinator for high-priority activities.
  • Contractors shall comply with applicable national laws with respect to work on the CERN site of persons with vulnerabilities regarding COVID-19. 

(ref: Annex 1; ch. 2.2)

Access to CERN sites for visitors

Last updated: 12 October 2020

Professional visits deemed essential for CERN may be allowed, if approved by the relevant Department Head or experiment Spokesperson. Prior to access, visitors must receive all the relevant safety information including CERN’s instruction on COVID-19 related health and safety measures.

All visitors shall complete the self-declaration form, which is mandatory to access the CERN sites.

Please note that visitors arriving from a country or area mentioned in at least one of the lists of countries and areas with a high risk of coronavirus infection published by the Swiss or French authorities will not be allowed on CERN sites during 10 days upon arrival.

(ref: Annex 1; ch 2.4)

Access for retirees and family members

Last updated: 9 October 2020


Retirees, including honorary members of the personnel, may not come on-site except for exceptional access to on-site facilities, such as bank safes. Members of the families of CERN personnel may access the Meyrin site only to drop-off and pick-up their children at the Jardin des Particules. Family members may not use the CERN restaurants.