DyProSo 2021 was organized as an in-person meeting. The health and safety of our guests is our primary concern for the organization of this event.

WARNING: what follows is left for legacy only and only reflects the COVID-19 situation at the time of the conference. Please refer to official websites (links below) for the current status and regulations in Luxembourg.


For attendance

The conference will be organized under the “CovidCheck” regime, using the CovidCheck certification that will be available in EU-member states from 1st of July. Therefore, the conference will be exclusively reserved for participants who are able to prove, through the Luxembourg CovidCheck Certificate (or a similar international certificate) that they are either fully vaccinated, have recovered from a COVID-19 infection or recently obtained negative COVID test. Approved quick test kits will be provided by the conference.

For travelling

Please note that to enter Luxembourg by flight, at least one of the following documents must be presented prior to boarding (conditions might change over time):

  • A vaccination certificate attesting to a complete vaccination pattern carried out with a vaccine that has been authorized for use by the European Medicines Agency, i.e. AstraZeneca, BioNTech/Pfizer, Johnson&Johnson or Moderna, issued by a public or medical authority of a Member State of the European Union or of a Member State of the Schengen Area
  • A recovery certificate issued by a practitioner or national authority of an EU Member State or Schengen Area Member State for persons who have had a recent SARS-CoV-2 infection within 6 months prior to travel and who have completed the applicable isolation period in the respective country with resolution of all symptoms of infection
  • A negative result (on paper or electronically) of a nucleic acid amplification test (NAAT) for the detection of SARS-CoV-2 viral RNA (PCR, TMA or LAMP methods) carried out less than 72 hours before the flight or of a SARS-CoV-2 rapid antigen test carried out less than 48 hours before the flight, by a medical analysis laboratory or any other entity authorized for this purpose. The negative result of the test must be presented, if necessary accompanied by a translation, in one of the administrative languages of Luxembourg or in English, Italian, Spanish or Portuguese.
  • These obligations do not apply when travelling by land or sea.

Updated information can be found in the smartphone application ‘Re-open EU’ (available for both Apple and Android)

For the most up-to-date information on conditions for travelling to Luxembourg, please check the official links on the sanitary situation, airport, and associated regulations: