Investment Rating - The industry investment rating is maintained at "Overweight" [3][11]. Core Views - The vaccine industry is currently experiencing a winter phase, with performance under pressure and a need for structural differentiation among companies. Long-term focus should be on innovation and international expansion [10][11]. - The industry is transitioning from scale expansion to innovation-driven growth, with supply-demand imbalances and homogenized competition causing short-term pain, but the long-term growth logic remains intact [11][30]. Summary by Sections Industry Dynamics - Domestic and international vaccine developments are ongoing, with significant advancements in mRNA technology. Notable approvals include BK-01 from Baike Biotech for clinical trials targeting the elderly, and FDA approval for WGc-0201 from Weijin Biotech, marking a breakthrough in mRNA therapeutic vaccines [5][6][10]. - The vaccine sector is seeing a decline in performance, with a 3.29% drop recently, and a cumulative decline of 5.56% in 2025 [6][13]. Market Performance - The vaccine sector's PE (ttm) is reported at 100.05X, down 3.69X from the previous period, while the PB (lf) stands at 1.84X, reflecting a decrease of 0.07X [9][22]. - The performance of individual companies within the vaccine sector varies, with some like Hualan Biological and Baike Biotech performing better, while others like Olin Biotech and CanSino are lagging [7][13]. Investment Recommendations - The report suggests focusing on companies with high technical barriers and differentiated pipeline layouts to find alpha opportunities within the industry. Companies like CanSino and Kanghua Biotech are highlighted for their innovation and market potential [11][30].