Group 1 - The core viewpoint of the articles highlights the rising flu activity levels across the United States, with approximately 7.5 million cases reported this flu season, including around 81,000 hospitalizations and about 3,100 deaths [1][2] - The dominant flu virus this season is the H3N2 strain, with 89.5% of analyzed samples belonging to the K lineage of the H3N2 virus [1] - 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 outcomes [1][2] Group 2 - The flu season in the U.S. typically peaks from December to February, and annual vaccination helps prevent flu infections, reduces severe cases, hospitalizations, and deaths, and minimizes community transmission [2] - Early use of antiviral medications is crucial for high-risk groups, such as the elderly and those with chronic conditions, after flu infection [2]
美国流感活动水平持续上升，感染病例超750万
Xin Lang Cai Jing·2026-01-01 07:30