Where did they get that figure? (Can’t read the article because of paywall).

ECDC reports state 35,212 measles cases in the EU in 2024. Your point still stands, of course: 35k is an order of magnitude more than the US (even if >85% were in one country, Romania) https://www.ecdc.europa.eu/en/publications-data/measles-annual-epidemiological-report-2024