Core Insights - The flu activity level in the United States is on the rise, with approximately 7.5 million cases reported this flu season, including around 81,000 hospitalizations and about 3,100 deaths [1] Group 1: Flu Activity and Statistics - The dominant flu virus this season is the H3N2 strain, with 2,086 flu virus samples reported, of which 2,029 are of the A type and 57 are of the B type [1] - Genetic analysis of 275 H3N2 samples collected since September 28 shows that approximately 89.5% belong to the K lineage of the H3N2 virus [1] Group 2: Vaccination and Recommendations - The CDC has distributed approximately 130 million doses of the flu vaccine this season and recommends annual vaccination for individuals aged 6 months and older to reduce the risk of infection and severe illness [1] - Vaccination not only helps prevent flu infection but also lowers the risk of severe outcomes, hospitalizations, and deaths, while also reducing community transmission [2]
美国流感活动水平持续上升 感染病例超750万
Xin Hua She·2026-01-01 07:17