Questions and answers

Questions about Covent

Who developed the app?

  • It’s not a native app, and no download is needed. Covent is the result of a collaboration between Dräger Schweiz AG and skipp communications AG.Programming is/was carried out by skipp communications AG and Milkbook LLC.The web application is being developed in Switzerland.

What/who is behind Covent?

  • Dräger Schweiz AG and skipp communications AG.

Is data protection guaranteed?

  • Data are encrypted and protected from unauthorised access. Data are also anonymised accordingly for monitoring.

Is the system safe from misuse/falsification?

  • It’s a web application accessible via Manual identity verification ensures that the possibility of misuse is reduced to a minimum.Identification is required throughout the process from Covent station to admission and is therefore also forgery-proof.

What is done to ensure that the QR codes are forgery-proof?

  • Each QR code exists only once and is stored in the system. The unique QR code is assigned to the test person and compared with the system. A falsified code will not gain access to testing.

Is the app also intended for non-Swiss citizens, or for those not resident in Switzerland?

  • Yes, a passport number is required, which foreign citizens will be requested to enter manually.

Is Covent also compatible with rapid tests from other manufacturers?

  • Yes, but they do have to meet certain standards in order to be added to the system and activated. Covent is open to adding validated rapid tests to the system.

Does Covent only exist in Switzerland?Are there also plans to use Covent for events in other countries?

  • Covent is an open system and, if launched successfully in Switzerland, could also be rolled out in other countries.

Are there already interested parties/discussions for applying Covent throughout Switzerland?Is there already interest in various industries?

  • Yes, this is our goal.

What is the difference between Covent and other apps?

  • Covent ensures that 99.9% of those wishing to attend a given event, for example, can take a rapid test under supervision within the set time limit (currently 24 hours). The test is evaluated by a professional. The web app, QR codes and manual identification throughout the process make falsification impossible.

Questions about the test

How long does it take to receive the test result?

  • Once a nasal sample has been provided, it takes a maximum of 30 minutes for the result to be communicated.

How long does the test itself actually take?

  • Without waiting time, the average duration is three minutes.

How is the test carried out?

  • The event participant is required to submit a one-off registration in advance at home or on the move via the website The person’s identity is checked against the system at the Covent station, and the rapid test (QR code) is assigned. The nasal swab is then carried out under instruction and supervision, and the event participant leaves the pharmacy.This prevents the accumulation of large numbers of people.

Why is the Dräger test used?

  • The Dräger rapid test has certain features the other rapid tests don’t have.Reliable samples can also be taken outdoors in windy conditions, for example, as droplets do not have to be applied manually to a test strip as with other tests.

What happens if a test result is positive?

  • A positive result should be confirmed with a PCR test. Appropriate instructions are provided when a positive result is delivered digitally.Recipients of positive results are referred directly to the FOPH website and its recommendations.

What happens if a test is invalid?

  • The test will have to be repeated, but the internal pilot phase has shown that basically all tests are successful.

What happens if a receive a positive result and then the PCR test is negative?

  • In extremely rare cases, it may happen that a result is positive and the PCR test is negative. In this case the participant will not be allowed to access the event, as the PCR test will not be evaluated until later. Refunds cannot be provided.

Who covers the cost of the tests?

  • Costs are covered either by the federal government, the relevant canton or via direct payment (foreigners with no health insurance in Switzerland)

What is a closed system?

  • The Dräger SARS-CoV-2 antigen test is easy to handle and carry out. The rapid test consists of a sampler for the gentle collection of a nasal sample and a test cassette for the analysis. All necessary reagents are already included in the test cassette,enabling the test to be carried out with no additional pipetting of reagents.

How reliable is the test?What is the error rate?

  • In clinical studies, a sensitivity of 96.8% and a specificity of 99.7% could be achieved with a CT value <26.

How long is the test result valid?

  • For the pilot in the canton of Graubünden, the test is valid for 24 hours from receipt of the test result to admission to the event.

Does a negative test exempt the individual from the obligation to wear a mask and take other general hygiene and social distancing measures?

  • This is being clarified with the authorities.

I am fully vaccinated. Will I still have to do a test?

  • No. Individuals who have been vaccinated, or have tested negative for or recovered from COVID-19 will not have to do a test.

Do the tests need to be stored in a particular way?

  • Yes, over the long term the tests must be stored at between 4 and 30 degrees Celsius.

Who carries out the tests?

  • This depends on which test is used. The sample collection is carried out either by a specialist or by the test persons themselves.

Which pharmacies/pharmacy chains are you in talks with?

  • We are in contact with various pharmacies. For the pilot phase, we are intentionally working with a small, select group of Covent stations. For the initial pilot phase, we are working with the TopPharm pharmacy Masans in Chur.

How many tests can be carried out simultaneously?

  • This depends on the size of the premises and the conditions on site. The focus is on the quality and the reliable identification of individuals.

If tests are being coded at the same time, how is it possible to ensure that they are not confused?

  • Right at the beginning, the personal code (generated code based on identification) is merged with the QR code of the Dräger test. This method is much safer than other solutions.

How and when are the pharmacists and the other staff at the Covent station trained?

  • As soon as the hygiene and social distancing concepts are in place and approved, we will be ready to train pharmacies and event organisers throughout Switzerland.

Can tests also be taken on site/at the event?

  • Yes, tests can be taken on site.

How many test stations are there?

  • That depends on demand. A current list can be accessed from May at

How many tests can be carried out per month on average?

  • As many as are available – the Covent system is open.

Who evaluates the tests at a Covent station?

  • Professionals (pharmacists, specially trained and certified staff)

Questions about Dräger

What does Dräger do?

  • Dräger develops devices and solutions that are trusted by people all over the world. Wherever Dräger products are in use, the focus is on the most important thing of all:on life itself –whether in clinical applications, industry, mining or fire and rescue services. Dräger products protect, support and save lives.

Why is Dräger specialising in diagnostics/tests?The company doesn’t actually have anything to do with lab technology or similar?

  • Dräger is a manufacturer of medical and safety products for staff providing various medical services. In addition to this, Dräger has developed its own SARS-CoV-2 antigen test. The Dräger antigen test is a rapid immunochromatographic test for the qualitative detection of the SARS-CoV-2 nucleocapsid protein. Gentle nasal sampling in the anterior portion of the nasal cavity enables possible infectivity to be determined easily, safely and quickly.

What kind of experience does Dräger have?

  • Our experts were able to rely on decades of experience from the production of the Dräger DrugCheck 3000 in the development of the Dräger SARS-CoV-2 rapid antigen test. The test was developed on this well-established basis to enable you to test easily, safely and quickly.