欧洲疾控中心：2025年评估欧盟/欧洲经济区流感风险，在A（H3N2）亚型K的传播增加的背景下报告（英文版）

Circulating respiratory viruses, including influenza viruses, SARS-CoV-2 and RSV, all contribute to pressure on healthcare systems during winter in the EU/EEA. In a typical season, influenza causes substantial morbidity in the European population, with up to 50 million symptomatic cases and 15 000 to 70 000 deaths annually. All age groups are affected, although children have higher rates of illness and are usually the first to become sick and transmit the disease in their households, which ca