https://www.ecdc.europa.eu/en/publications-data/download-tod...
You need nothing but Excel/LibreOffice and a few simple formulas to get this picture.
Germany has a heavy 7 day rhythm, because they're doing their reporting in a very strange way. Using 7 day averages helps a lot to get rid of the reporting-noise.
You need: Daily death (averages over 7 days) Total death (Sum) (averages over 7 days)
daily/total
Just use SUM() and /