September 20, 2021

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TousAntiCovid: Instructions for using the reminder book in restaurants


aAfter the terraces of bars, cafes and restaurants reopen on Wednesday May 19, the government is preparing to reopen rooms from June 9. From that day on, these venues – but also gyms and possibly casinos – will have to keep a “reminder notebook,” as was the case last year during the reopening, from October. It is a matter of implementing the popular “test, alert, protect” strategy in the face of COVID-19.

But the government wants to update this solution thanks to a digital reminder book, to avoid handling the pen and to facilitate alerts to people at risk as they pass by. Therefore, it provides facility managers with reliance on the TousAntiCovid app to inform people of potential exposure to the virus during their visit.

Concretely, this new solution developed by the National Institute for Research in Digital Sciences and Technologies (Inria), nicknamed TousAntiCovid signal and tested in the Rungis Marketplace, requires the customer to download the app, then scan the QR code at the entrance to the institution.

Indoor site (available here) It will allow enterprises to create a QR code that customers will have to scan with their smartphones at the entrance by clicking on a new feature of the app ‘Scan QR Code in Place’. Those who do not have a smartphone can be accepted using the good old paper reminder book, mandatory.

No tracking or identification

Once the scan is performed, the person’s phone stores the crossing point over a two-hour period by default. This “visit log” will be recorded in the form of lines of icons in the application. Anyone will be able to control this list of icons on their phone and can erase it. By default, each paragraph will then be automatically forgotten after two weeks. “It is a tool that is not tracked or defined,” said the General Directorate of Health, which is leading the project. The government claims to have obtained approval from the National Commission for Informatics and Freedoms (Cnil). “QR codes created by institutions are cryptographic identifiers that do not make it possible to find the name or address of places”, one can read in the press file that is sent to journalists. Notifications will be completely anonymous. “When someone is alerted, TousAntiCovid users are not informed of the name of the place where the risky contact was made, nor the identity of the person to contact (this information is not on the server),” is it written in black and white.

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In the event of a positive Covid test, everyone is responsible for declaring them (or not announcing) them on the TousAnti-Covid app to warn people of potential exposure in the places they frequent. Without action on his part, it is clear that no notification through the app can be sent to anyone. If a case is announced, all people who come to the same place at the same time will receive an orange notification inviting them to test and stay awake for the subsequent appearance of symptoms. Based on the detection of three positive people who visited the same place during the period when they were likely to be contaminated, the app considers the risk to be “high.” The notice will turn red and those affected are asked to isolate and test themselves. In the eyes of the authorities, this means that the “super pollution factor” may have been present in the place in question.

Bluetooth Supplementary technology from TousAntiCovid

The classic risky Bluetooth contact detection in the TousAntiCovid app, which is more accurate, because it measures contacts over a quarter of an hour in less than two meters, will run in parallel if activated by the user. People who are exposed to risk in this context automatically receive a red notification.

In the event that the paper reminder is not published in bars, cafes, restaurants, or sports halls, the owner of the facility can pay a fine or even close it in case of repeated violation.