欧洲疾控中心：传染病威胁报告（英文版）（2024年11月30日至12月6日，第四十九周）（英文版）

The variants currently circulating that are classified as VOI or VUM are unlikely to be associated with any increase in infection severity compared to previously circulating variants, or a reduction in vaccine effectiveness against severe disease. However, older individuals, those with underlying conditions, and previously uninfected individuals could develop severe symptoms if infected. Vaccination continues to be protective, with stronger protection against more severe disease, although thi