Recently, disease control authorities in multiple regions have reported that the number of influenza-like illness (ILI) cases has reached its highest level in the past four years. Influenza-like illness typically refers to patients presenting with fever (body temperature ≥38°C) accompanied by cough or sore throat—key indicators used to monitor flu activity. Experts suggest this surge may be attributed to a combination of factors, including sudden winter temperature drops, increased indoor gatherings, enhanced viral transmissibility, and waning population immunity. Additionally, the relaxation of COVID-19 prevention measures has led to greater exposure to influenza viruses, potentially driving up infection rates. Notably, this season’s predominant strains include influenza A(H1N1) and A(H3N2), with some areas also reporting co-circulation of influenza B viruses. Health authorities recommend timely flu vaccination, maintaining good personal hygiene, avoiding crowded places, and seeking early medical care while staying home upon symptom onset to reduce transmission. Enhanced health monitoring, ventilation, and disinfection are also urged in high-risk settings such as schools and elderly care facilities to collectively curb the spread.
近期，多地疾控部门发布数据显示，当前流感样病例（ILI）报告数量达到近四年来的最高水平。所谓‘流感样病例’，通常指具有发热（体温≥38℃）并伴有咳嗽或咽痛等症状的患者，是监测流感流行趋势的重要指标。专家指出，病例数激增可能与冬季气温骤降、人群聚集增加、病毒传播力增强以及免疫屏障减弱等多种因素有关。此外，新冠疫情防控措施放宽后，人群对流感病毒的暴露机会增多，也可能导致感染率上升。值得注意的是，今年流行的毒株以甲型H1N1和H3N2为主，部分区域还出现乙型流感病毒共循环现象。疾控部门建议公众及时接种流感疫苗、保持良好个人卫生习惯、避免前往人群密集场所，并在出现症状后及早就医、居家休息，以减少传播风险。学校、养老机构等重点场所也应加强健康监测和通风消毒，共同遏制疫情扩散。
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