By Robert Koch-Institut


The Robert Koch Institute (RKI) – in its capacity as the central federal institution for public well being and because the German national public well being institute – publishes the Corona-Warn-App on behalf of the German authorities. The app serves as a digital complement to distancing, hygiene and wearing masks. It makes use of Bluetooth know-how and the Google Exposure Notification APIs. The app is designed to help break an infection chains by informing you if you have been just lately near somebody who subsequently examined optimistic for corona. However, at no time does it collect any personal information. Who you are and where you're stay secret – and your privateness is nicely-protected.


Exposure logging is the core of the app and will all the time be energetic. When enabled, smartphones trade encrypted random IDs with different gadgets using Bluetooth.

The random IDs solely provide details about the duration and distance of an encounter. No one is able to establish the particular person behind these IDs. The Corona-Warn-App does not gather any information about the placement of the encounter or that of its customers.

Based on maximum corona incubation instances, the random IDs your smartphone collects are stored in an publicity log for 14 days and then deleted. If an individual is identified with corona and chooses to share his/her own smartphone’s random IDs, all persons previously encountered will then be notified anonymously.

No one will know when, the place or with whom the exposure occasion occurred. The contaminated individual remains nameless.

In addition to the publicity notifications, affected customers will receive clear recommendations for action. Important: Information in regards to the notified individuals isn't accessible at any time.


The Corona-Warn-App is designed to be your day by day companion, without knowing your identification. This is why the app can't tell anybody who you might be. Data

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