欧洲疾控中心：传染病威胁报告（2025年12月6日至12日，第50周）（英文版）

The number of patients presenting to primary care with symptoms of respiratory illness is elevated in approximately half of the reporting countries. This indicates that there is currently significant respiratory virus circulation in the European Union/European Economic Area (EU/EEA). • Influenza virus circulation continues to increase, with most countries now reporting widespread activity at low-to-medium intensity. Influenza A is dominant in all countries, with A(H3N2) driving the increasing