Investment Rating - The industry investment rating is maintained at "Overweight" [2] Core Viewpoints - The report highlights a rising trend in influenza activity, suggesting a structural opportunity in the flu vaccine market. It emphasizes the importance of focusing on innovative vaccines and companies with differentiated pipelines to capture alpha opportunities in a competitive landscape [8][9][27]. Summary by Relevant Sections Industry Performance - Over the past twelve months, the vaccine sector has shown a relative performance of -25% compared to the CSI 300 index, with an absolute return of -5% [3][4]. - The vaccine sector's PE (ttm) is reported at 101.87X, with a PB (lf) of 1.99X, indicating a slight increase in valuation metrics [7][20]. Domestic and International Vaccine Dynamics - Recent approvals for clinical trials include various vaccines from companies like Zhifei Biological Products and CanSino, indicating ongoing innovation in the sector [4][8]. - The National Influenza Center reported an increase in flu cases, with 621 outbreaks reported, suggesting a potential uptick in demand for flu vaccines [4][8]. Market Review - The vaccine sector experienced a 3% increase in the last week, reflecting a moderate performance compared to other pharmaceutical segments [5][6]. - Companies such as Jindike and Hualan Biologicals showed strong performance, while others like Wantai and Zhifei Biologicals lagged behind [6][19]. Investment Recommendations - The report suggests that the vaccine industry is currently under pressure, with a need for companies to focus on innovation and international expansion. It recommends monitoring companies with high technical barriers and differentiated pipelines [8][9][27]. - Specific companies to watch include CanSino for its innovative capabilities and Kanghua Biologicals for its stable demand products [9][27].

Investment Rating - The industry investment rating is maintained at "Overweight" [3][11]. Core Views - The vaccine industry is currently experiencing a transition from scale expansion to innovation-driven growth, facing short-term pain due to supply-demand imbalance and homogenized competition, but the long-term positive outlook remains unchanged [10][11]. - The industry is under pressure in Q2 2025, with performance still in a bottoming process due to high Me-too pipeline ratios leading to intense competition and price declines, alongside weak demand and market education [9][10]. - The focus is on innovation and international market expansion, with companies actively adjusting their pipeline layouts to enhance competitive advantages [10][11]. Summary by Sections Industry Performance - The vaccine sector has shown a relative performance decline of -7% over the past month and -29% over the past year compared to the CSI 300 index [5]. - The vaccine sector's absolute return is -5% for the past month and -12% for the past year [5]. Market Review - The vaccine sector rose by 0.72% last week, with a cumulative decline of -2.35% since the beginning of 2025 [6]. - Notable companies in the vaccine sector include Lianoning Chengda, Hualan Biological, and Wantai Biological, while companies like Olin Biological and CanSino have underperformed [7]. Valuation - The vaccine sector's PE (ttm) is 103.74X, with a year-on-year maximum of 111.89X and a minimum of 27.99X [8]. - The PB (lf) stands at 1.91X, with a maximum of 2.29X and a minimum of 1.69X over the past year [8]. Investment Recommendations - The vaccine industry is advised to focus on companies with high technical barriers and differentiated pipeline layouts to find alpha opportunities amid industry differentiation [11][28]. - Companies with strong R&D innovation and technical advantages, such as CanSino and Kanghua Biological, are recommended for investment [11][28].