The only way to tell whether or not that spike in deaths has been caused by the COVID vaccinations would be through autopsies—which have “systematically prevented” in Germany (as in the US).
The number of Corona-related deaths in the past two months is at least as high almost everywhere as it was in the previous 12 months. In 51 counties, mortality is more than four times higher, and in 22 of those counties, it is more than six times higher.
https://telegra.ph/Dramatic-increase-in-deaths-among-seniors-since-corona-vaccinations-began-03-30