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Corona Virus – Relevant information (as of February 15, 2021) for all scientists at the Max Planck Institute for Mathematics

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Updated Regulations from the German Government / NRW Government (valid from Feb. 1, 2021):

During the pandemic, regulations are imposed by different sources. The German government imposes the overall rules but the governments of the individual Länder (states in Germany) as well as some cities have the freedom to impose regulations with regard to the particular situation of the area. Here we try to summarize the information relevant for our guests as best as possible and to keep it up to date. We assume no liability for this information and refer to the government websites for the official regulations:

NRW website (unfortunately only in German), Federal Foreign Office's website, city of Bonn's website.

The new regulation states that it is obligatory to wear a medical mask in public transportation, stores and doctor's offices. Fabric masks are no longer adequate in these locations. Medical masks in the sense of this regulation are so-called surgical masks, masks of the standard FFP2 or masks comparable to these (KN95/N95).

TRAVEL (regulations from the North Rhine-Westphalia government):
In Germany, the individual Länder are responsible for quarantine regulations (in our case NRW). The Länder have put in place their own regulations on the basis of a specimen regulation.

Travelers who have visited a virus variant area or risk area in the last ten days before entering Germany must register at before arriving in Germany and carry proof of registration with them upon entry. This obligation always applies to those entering the country who have previously stayed in virus variant areas. Certain exceptions apply for previous stays in other risk areas and high incidence areas. In particular, those who have only passed through a risk area and have not had a stopover there are exempt.

Entering/returning from a virus variant area:
For countries where virus mutations are widespread (so-called virus variant areas), there is a transport ban. Transport companies, e.g. airlines or railroad companies, are not allowed to transport persons from these countries to Germany. Transportation is only possible in narrowly defined exceptional cases, in particular for persons with residence and existing right of residence in Germany, persons who are only transferring in a transit area of a commercial airport, and in a few other special cases. German nationals not resident in Germany should not be denied boarding.

In these exceptional cases, immediately after arrival, travelers are required to go into quarantine for 10 days (starting on the day of departure from one of these areas) and have to report to the Health Department if they show any symptoms. Furthermore they have to submit a negative test result on entry. After five days of quarantine they have to get tested again and if this result is negative, the quarantine can be terminated. Otherwise the quarantine obligation continues and the competent authorities may decide on the individual ordering of a further test on a case-by-case basis.

Entering/returning from other risk areas:
Travelers have to quarantine for 10 days. The quarantine can be avoided by getting tested for Covid-19 either 48 hours before or within 24 hours after entering Germany and getting a negative test result. A quick test, "Corona-Schnelltest", is sufficient. You can get tested at airports, test centers, pharmacies or doctors at your own expense.

- contacts should be minimized to the absolute minimum
- it is allowed to meet with only one other person from a different household (This also applies for participation in livestreams in the same room!)
- private or public parties are unacceptable

- retail stores will remain closed, except for shops for daily needs, like supermarkets, pharmacies, post offices. Hair salons etc. will remain closed.
- Children should be taken care of at home if possible, as schools and day cares will close and only offer emergency care until further notice.
- restaurants, bars, clubs etc. remain closed and only available for food delivery or take-away
- it is prohibited to consume alcohol in public
- leisure facilities like cinemas, theaters, arcades, amusement parks etc. are closed

Bonn has reached the critical number of infected people within 7 days (regions with more than 50 new infections per 100,000 inhabitants in a week are considered as risk areas) and therefore there are the following new regulations in place (additional and expanding on the existing rules):

There is an obligation to wear a face mask in defined (more busy) areas of the city:
In the area of the main station, Bertha-von-Suttner-Platz and Konrad-Adenauer-Platz a mask must be worn between 7 a.m. - 10 p.m..
In other defined areas, a mask must be worn on workdays between 10 a.m. and 8 p.m. There are signs hanging around the city, which signal where to wear a mask. You can see the sign and a list of all the streets where a mask is obligatory here.

Please note that high penalties will be incurred if you do not comply with the regulations!

You can get more information on the city of Bonn's website (in English).

Regulations from us and the Max Planck Society:

- Every confirmed case of Covid-19 has to be reported to or 0228-402-273. Please also inform us if you have suspicious symptoms, so that we can quickly trace your contacts.
- There can be no lectures or seminars running live at MPIM.
- Professional travel must be avoided.
- Work from your home office as much as possible, keep your visits to MPIM brief
- if you enter the institute, please disinfect your hands immediately at the dispensers on the ground floor next to the elevator or at the reception desk
- do not stay in a small office (or one without windows) with multiple people
- as an official regulation from the NRW government, there is an obligation to wear a mask in your office if the minimum distance of 1.5 meters cannot be maintained.
- participate in virtual meetings and seminars,
- participation in livestreams in the same room is not allowed for more than two households!
- wash and disinfect your hands regularly,
- keep at least a 1.5m distance,
- ventilate the rooms regularly.

If you meet in person, we strongly encourage you to meet outside. In case you meet for a brief discussion at the institute, wear masks and meet in a wide and well-ventilated area, such as the blackboards in the tea area, lecture hall, etc.

We all hope that normal life (at MPIM and elsewhere) can resume soon.

Gerd Faltings, Peter Scholze and Peter Teichner



- The reception and IT at MPIM will be staffed as usual.
- The library is open and staffed Wednesdays. Please disinfect your hands when entering and leaving the library.
- Our staff will work mostly from home but will be still available by e-mail and for urgent questions in person at MPIM on Wednesdays.
- The daily tea will not take place until further notice.

We ask you to make responsible decisions for you and other people to help slow down the infection rate. We wish you good health and a positive mindset. We thank you for your understanding and will keep you updated about the situation. For further questions, please do not hesitate to contact us by e-mail.


Information for invited guests

You are still welcome to start your research stay at the institute as planned, but please be aware of the current entry regulations (see above).

Unfortunately, we cannot postpone your visit, since our office space is already fully booked. However, you can shorten your visit if needed. You can also choose the option to reapply through our online application system (no new recommendation letters are needed in this case).

If you have already booked an accommodation and you plan to cancel your stay, please contact the landlord immediately to cancel the rental contract (to avoid costs) and try to find a solution for both sides.

If you have not yet booked a flight or accommodation, please wait before doing so and book only at short notice. We do not know how the situation will change and can only recommend not to book anything yet. If you have booked your flight already, check this link to rebook or cancel for free.

Please be so kind and inform us about your plans by e-mail.

© MPI f. Mathematik, Bonn Impressum & Datenschutz
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