Unfortunately, the article doesn't make clear which exact vaccines it's discussing. So it's entirely possible that the specific vaccines approved in Europe are

Unfortunately, the article doesn't make clear which exact vaccines it's discussing. So it's entirely possible that the specific vaccines approved in Europe are supply-constrained, while other vaccines are in the situation described in the article. All that means is that saying that "the problem problem is production" is very specific-vaccine and specific-regulatory-unit dependent and needs to be evaluated carefully.