流感样病例占比高于历史同期，提示关注流感疫苗、病毒检测、药品等板块：流感疫情跟踪点评（20251112）

Investment Rating - The report maintains an "Overweight" rating for the pharmaceutical and biotechnology industry [1]. Core Insights - The incidence of influenza-like illness (ILI) has increased, with southern provinces reporting an ILI percentage of 4.6% in the 44th week of 2025, up from 4.1% the previous week and higher than the same period in 2022 (3.1%) and 2024 (3.3%), but lower than 2023 (5.9%). Northern provinces reported an ILI percentage of 5.1%, also higher than previous years [3][4]. - The report indicates a significant rise in flu cases compared to historical levels, suggesting a potential risk for a severe flu season in 2025 due to changes in circulating strains and the possibility of breaching herd immunity [3]. Summary by Sections Influenza Vaccine - The report highlights the low penetration rate of influenza vaccines in China, suggesting that the anticipated rise in flu cases could lead to increased demand for vaccines. Companies such as Hualan Biological Engineering, Baike Biological, and Gendik are recommended for investment [4]. Virus Detection - There is an expected increase in demand for respiratory virus diagnostic products due to the rise in respiratory infections. Companies with relevant products, such as Innotec, Shengxiang Biological, Botao Biological, and Wanfu Biological, are highlighted as potential beneficiaries [4]. Cold and Specialty Drugs - The demand for cold medications is expected to rise in Q4 2025, with sales likely exceeding market expectations. Companies such as Zhongsheng Pharmaceutical, China Resources Sanjiu, Kangyuan Pharmaceutical, Fangsheng Pharmaceutical, Jichuan Pharmaceutical, Yiling Pharmaceutical, Dongyangguang Pharmaceutical, Jian Kangyuan, and Te Yi Pharmaceutical are recommended for investment [5].