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replacing incorrect use of citizens 

I am guessing the author did not actually meant to use `citizens` (Staatsbuerger) in those two instances, since also non-citizen that reside in Germany are probably allowed, if not encouraged to use the app as well.
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Marco Pashkov 2020-05-19 22:46:34 -07:00 committed by GitHub
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solution_architecture.md
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@ -29,7 +29,7 @@ Assuming a close association of a mobile phone and its user, we equate the devic
## INTRODUCTION
To reduce the spread of [COVID-19](https://www.ecdc.europa.eu/en/covid-19-pandemic) it is necessary to inform people about their close proximity to positively tested individuals. So far, health departments and citizens identified these in personal dialogues based on people’s memory, which led to a high number of unknown connections, e.g. when using public transport.
To reduce the spread of [COVID-19](https://www.ecdc.europa.eu/en/covid-19-pandemic) it is necessary to inform people about their close proximity to positively tested individuals. So far, health departments and persons identified these in personal dialogues based on people’s memory, which led to a high number of unknown connections, e.g. when using public transport.
![Figure 1: High-level architecture overview](images/solution_architecture/figure_1.svg "Figure 1: High-level architecture overview")
@ -56,7 +56,7 @@ This preexisting process for the processing of lab results includes that the doc
The flow for using the app is as follows, referencing the steps from *Figure 2*:
- **Step 1:** Citizens are using the Corona-Warn-App (i.e. broadcasting and collecting RPIs)
- **Step 1:** Users of the Corona-Warn-App (i.e. broadcasting and collecting RPIs)
- (1) When a test is conducted, they receive an information flyer with a custom QR code. The code is either created on-site or is already available as a stack of pre-printed QR codes. The QR code contains a globally unique identifier (GUID).
- (2) Optionally, they can scan the QR code with the Corona-Warn-App (*Figure 3*, step 1) – if users decide against using the test retrieval functionality of the Corona-Warn-App, they still receive their test results through the regular channels explained before.
- (3) When the code is scanned, a web service call (REST) is placed against the Verification Server (*Figure 3*, step 2), linking the phone with the data from the QR code through a registration token, which is generated on the server (*Figure 3*, step 3) and stored on the phone (*Figure 3*, step 4).