Covid19 Alert! delays the further spread of Covid 19 by registering bluetooth contacts of mobile telephones. The app informs users in case they have been at risk of getting infected, when they have been near an infected person. It provides health authorities insight into the geographical spread of the virus.
The user experiences symptoms of Covid-19.
A medical doctor confirms the infection and provides the user with a code.
The user uses the code to register the infection in the Covid19 Alert! app.
The people (s)he has met are warned about the risk of infection. They get information about how to avoid social contact. The ill user gets information about Covid-19.