研发新进展频现，秋冬季催化中寻找结构性机会

Investment Rating - The industry investment rating is maintained at "Overweight" [2][9] Core Views - The vaccine industry is currently transitioning from scale expansion to innovation-driven growth, facing short-term pain due to supply-demand imbalance and homogenized competition, but the long-term positive logic remains unchanged, driven by policy, demand, and technology [9][25] - The report emphasizes the importance of companies with high technical barriers and differentiated pipeline layouts, suggesting that these companies will have stronger product power and competitive advantages [9][25] Summary by Sections Recent Developments - Watson Bio's mRNA vaccine for herpes zoster has received clinical trial approval, marking a significant advancement as no mRNA-based herpes vaccine is currently on the market [4] - Kangtai Bio's trivalent influenza virus split vaccine application has been accepted, targeting individuals aged three and above [4] - The WHO has recommended the components for the 2026 Southern Hemisphere influenza vaccine, maintaining a consistent approach with previous recommendations [4] Market Performance - The vaccine sector has seen a decline of 3.07% recently, with a cumulative increase of 4.33% since the beginning of 2025 [5][6] - The vaccine sector's PE (ttm) is 101.64X, down 3.26X from the previous period, while the PB (lf) is 1.87X, down 0.06X [7] Investment Recommendations - The report suggests focusing on innovative vaccines and companies with strong research and development capabilities, particularly those with differentiated products and technical advantages [8][9] - Companies like CanSino and Kanghua Bio are highlighted as potential investment opportunities due to their innovative capabilities and market demand [9][25]