Group 1 - The overall influenza activity in China remains at a high epidemic level, despite a recent decline in activity levels this week [1][2] - Influenza viruses are the primary pathogens causing acute respiratory infections in China, with the H3N2 strain being the predominant type [1] - The peak of the epidemic in southern provinces occurs slightly later than in northern provinces, influenced by seasonal factors such as temperature drops [1] Group 2 - Insufficient indoor air circulation due to prolonged closure of windows increases the transmission opportunities for influenza viruses in crowded environments [2] - The dynamic changes in epidemic intensity across provinces necessitate heightened awareness and protective measures for individuals and families [2]
国家卫健委：我国流感活动总体仍处于高流行水平
Zhong Guo Xin Wen Wang·2025-12-19 12:32