The file structure of this project is inspired by the Johns Hopkins University project CSSEGISandData/COVID-19:
├── daily_reports
│ └── YYYY-MM-DD.csv
├── README.md
└── time_series
├── time-series_19-covid-Confirmed.csv
└── time-series_19-covid-Deaths.csv
This is created from the data published by the Robert Koch Institut on its website and archived versions thereof.
This data has been manually retyped, so there might be errors.
Also, the Robert Koch Institut announced that it changes how it collects its data on 2020-05-17. Subsequently, that day might see a drop in some numbers that does not actually correspond to a actual real world change in cases.
There a some similar projects collecting COVID-19 case data with a different granularity or regional focus: