The European Medicines Agency (EMA), which is the regulator for vaccines and medicine in the European Union (EU), has stopped using the social media platform X. The website is owned by Elon Musk, who is an important ally of the newly elected United States president Donald Trump. The EMA, whose headquarters are based in Amsterdam, is currently the only EU organization to leave the platform.
I know the BBC has made a Mastodon instance as a test some time ago. If only other broadcasters did something like that.