预计全国流感在12月上中旬达峰可能性较大

Core Viewpoint - The current flu situation in China is concerning, with 17 provinces experiencing high levels of flu activity and a significant positive rate of flu virus detections among patients [1] Group 1: Flu Activity Levels - 17 provinces in China are currently at high flu activity levels, while the remaining provinces are at moderate levels [1] - The positive rate of flu virus detections among patients visiting emergency and outpatient services has reached 51%, which is below the highest levels seen in the past three years [1] Group 2: Age Group Impact - Reports of school outbreaks are increasing, with the positive rate of flu virus detections in the 5 to 14 age group significantly higher than in other age groups [1] Group 3: Virus Strains - The H3N2 subtype of the flu virus remains the dominant strain, accounting for over 95% of cases, with a small number of H1N1 and B type flu viruses circulating concurrently [1] Group 4: Future Projections - Based on recent monitoring, there is a high likelihood that flu cases in China will peak in mid-December [1]