Persons who have had contact with a person with a confirmed infection with the corona virus or have been abroad in the last 14 days are not allowed to enter the DESY premises in Hamburg or Zeuthen. They are requested to contact the local health authority. Only after a 14-day self-isolation, symptom-free persons can enter the campus. This applies to DESY employees, service providers and guests.

This regulation does not apply to persons entering or returning from countries for which no travel warnings or notices of the Federal Republic of Germany apply.

Information for guest scientists

User runs, users

After user operation had been suspended du to Corona, at PETRA III, user experiments restarted on 4. May 2020 under restricted conditions and consideration of the Corona-related safety requirements. If you have any questions, please contact the User Office (

FLASH user operation is still suspended until further notice.

DESY supports the investigation of the COVID-19 virus characteristics and the development of possible vaccine and treatments. We offer fast-track access to PETRA III beamlines for research related to SARS-CoV-2. If you have any questions, also regarding the operation of PETRA III or FLASH, please contact the User Office (

If you are a DESY user who has returned to your institute after your stay at DESY and finds out that you are infected, please inform us immediately at

Meetings and Workshops

Meetings and workshops may take place with the following regulations:

  • Internal events and meetings should be reviewed for their necessity
  • Events with more than 30 persons will not be held
  • We generally recommend using telephone and video conference tools for workshops and meetings.
  • For internal events with more than 10 persons, participant lists (with e-mail contacts) should be kept.
  • Observe the distance rules.