Historically interesting: In the Soviet GDR there was a 95%+ vaccination rate and people trust Russian/Soviet vaccine science (I am from the region). Introducing Sputnik V to Germany may boost vaccine acceptance in the East.

The majority of the vocal deniers is localized around Munich btw, same with homeopathy advocates. Not sure why that is but I suspect 1888's medicine book by Eduard Bilz, which was extremely popular in Germany, could play a role (https://de.wikipedia.org/wiki/Bilz-Buch).