Germany has a "homemade" vaccine (BioNTech), in fact it was the first reliable vaccine on the market, and pioneering an entirely new medical paradigm at it, but the EC botched the process of acquiring it.
The First stage is done in the US.
The second stage is done in the US and Germany.
The third stage is done in the US and Belgium.
[0] https://en.wikipedia.org/wiki/Pfizer–BioNTech_COVID-19_vacci...