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With the Corona-Warn app,

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you can help to
interrupt chains of infection.

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With minimal effort

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and with maximum data protection.

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The Corona-Warn app
does not know who you are.

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But it can accompany you.

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So that you can better protect yourself 
and the people around you.

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Whenever you encounter another user,

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your smartphones automatically
exchange encrypted random codes.

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These random codes tell the smartphones
that people have encountered each other,

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for how long and

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how far apart they were.

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They disclose neither names nor locations.

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The other user will therefore never find out

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that their smartphone
has exchanged a code with yours.

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Your identity will remain secret.

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The codes are deleted from your
smartphone after 14 days.

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If it is proven that a user has been infected,

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they can choose to
anonymously make their random codes

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available to all other users.

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And to you as well.

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Your app finds the code

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that your phone exchanged
with the infected person’s smartphone

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and informs you that
you came into contact with them.

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At the same time, it provides you with

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clear recommendations for what to do.

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You will also remain anonymous at all times.

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The successful fight
against the coronavirus

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can only be won if we work together.

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You can play your part, too!

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With the Corona-Warn app,

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you protect yourself and those around you.