中疾控：南北方省份流感活动上升明显，学校聚集性疫情增多

Core Insights - The flu activity in China is increasing, with notable rises in both northern and southern provinces, and some areas have entered a low to moderate level of epidemic [1] Group 1: Flu Activity and Trends - The percentage of flu-like cases reported in sentinel hospitals during week 43 of 2025 was 3.9% of total emergency visits [1] - The top three pathogens detected in flu-like cases were rhinovirus (12.8%), influenza virus (10.5%), and enterovirus (9.0%) [2] - The detection rate of enterovirus is on a continuous rise, particularly among those under 14 years old, while rhinovirus detection showed a slight rebound [3] Group 2: Hospitalization and Pathogen Detection - Among hospitalized severe acute respiratory infection cases, the top three pathogens were rhinovirus (10.0%), respiratory syncytial virus (9.4%), and enterovirus (3.3%) [2] - The overall positive rates for COVID-19 and other monitored respiratory pathogens remain low [3] Group 3: Recommendations and Precautions - The CDC recommends flu vaccination for all individuals aged 6 months and older, especially high-risk groups such as healthcare workers and the elderly [4] - It is advised to wear masks in crowded places and during medical visits to reduce infection risk [5] - Maintaining good hygiene practices and a healthy lifestyle is encouraged to enhance immunity and reduce the spread of pathogens [5]