我国绝大多数省份已进入流感流行期

Core Insights - The flu activity in China has significantly increased, with most provinces entering the flu epidemic period, particularly in regions like South China, Southwest, Northeast, and Northwest where some provinces have reached moderate epidemic levels [1][3]. Group 1: Flu Activity Trends - Sichuan Province has officially entered the flu epidemic period, with a rapid increase in case numbers [2]. - The flu epidemic this year has emerged earlier and is expected to peak above the recent average levels in Hunan Province [2]. - During the 44th week of 2025, the percentage of flu-like cases reported in emergency departments was 4.7%, with flu virus detection rates at 17.5% [2][3]. Group 2: Respiratory Virus Monitoring - A total of 347 flu-like case outbreaks were reported nationwide in the 44th week of 2025, with southern provinces reporting 350 outbreaks, significantly higher than the 120 outbreaks in the same period of 2024 [3]. - The detection rates of respiratory syncytial virus (RSV) are rising in northern provinces, while southern provinces show fluctuating declines [4]. - The positive detection rates for enteroviruses have decreased, while the rates for rhinoviruses remain stable, particularly among children aged 14 and under [4]. Group 3: Public Health Recommendations - Health monitoring in key institutions such as kindergartens, schools, and nursing homes is advised to promptly identify and manage outbreaks [6]. - The public is encouraged to take personal protective measures, including flu vaccinations for individuals aged six months and older without contraindications [6]. - Recommendations include wearing masks in crowded places and maintaining good hygiene practices to reduce the risk of infection [7].