多地推出流感气象风险预报，为何流感发生与气象条件密切相关

Core Viewpoint - The flu activity in China is on the rise, with many provinces reaching moderate to high epidemic levels, prompting the release of flu meteorological risk forecasts by national and local authorities [1][2][3] Group 1: National and Local Forecasts - The China Meteorological Administration issued a flu meteorological risk forecast for November 25-26, indicating moderate risk in regions such as western Tibet and eastern Fujian [1] - Shanxi Province's meteorological service also forecasted favorable conditions for flu occurrence from November 26-27 [2] - Inner Mongolia reported moderate to high flu risk for November 23-24 [2] Group 2: New Services and Technologies - Jiangsu Province launched a flu meteorological index prediction service, providing weekly forecasts during the flu season [2][4] - The service combines traditional and AI models to analyze meteorological data and flu transmission patterns, offering scientific predictions for public health protection [4] Group 3: Meteorological Impact on Flu - The onset of winter, with significant temperature drops and increased indoor activity, raises the risk of respiratory pathogens, including flu [4] - Experts indicate that various meteorological factors can lower human immunity, making individuals more susceptible to flu infections [4] Group 4: Public Health Recommendations - The public is advised to adopt a dual defense strategy of vaccination and good hygiene practices, as the current flu season is characterized by the circulation of H3N2 and other flu strains [5]