https://www.travellingtabby.com/uk-coronavirus-tracker/
Down the page you can toggle to second doses for vaccination and you'll see Wales and Scotland have nudged upwards since February 15, when there's no need to do so for a few weeks yet.
I'm not playing dumb I'm only asking where the evidence is that Germans/French are shunning one vaccine over another on any meaningful level. No such data appears to exist. If it did, then the Germans/French are missing the open goal of expanding the vaccination campaign into wider age groups and the opportunity to build trust based on fellow citizens being vaccinated.