国家卫生健康委介绍流感防控形势 甲型H3N2亚型流感病毒仍占流行优势

Core Insights - The overall trend of acute respiratory infectious diseases, particularly influenza, is on the rise in China, with 17 provinces experiencing high levels of flu activity [1] - The positive rate of influenza virus detection among patients with flu-like symptoms has reached 51%, indicating a significant prevalence [1] - The H3N2 subtype of the influenza virus remains dominant, accounting for over 95% of cases, with a possibility of peak activity in mid-December [1] Group 1: Influenza Situation - Influenza is highly contagious, especially in crowded settings such as schools and nursing homes, with a notable increase in outbreak numbers compared to the previous season [2] - High-risk groups recommended for vaccination include individuals aged 60 and above, those with chronic diseases, residents and staff of long-term care facilities, pregnant women, and young children [2] - The public is advised to get vaccinated early to prevent infection and reduce the risk of severe illness [2] Group 2: Symptoms and Treatment - Symptoms of influenza include high fever (up to 39-40 degrees Celsius), headaches, muscle aches, sore throat, dry cough, and fatigue, with some patients experiencing mild or no symptoms [3] - Individuals with severe symptoms such as high fever, difficulty breathing, or confusion should seek medical attention promptly, especially vulnerable populations like the elderly and infants [3] - Early medical treatment is crucial for high-risk groups to prevent severe complications [3]