Investment Rating - The industry rating is maintained at "Overweight" [4] Core Insights - The vaccine industry is experiencing pressure on performance, with Q2 2025 results still in a downward trend due to high competition and supply-demand imbalances. Companies are focusing on innovative vaccines and pipeline adjustments to navigate the current market challenges [10][28] - Recent breakthroughs include the approval of the first recombinant shingles vaccine for clinical trials and the acceptance of a clinical application for a domestic pentavalent vaccine, indicating progress in breaking the import monopoly [5][10] Market Performance - The vaccine sector saw a decline of 2.08% last week, with a cumulative increase of 1.37% in 2025. The overall pharmaceutical sector reported a 1.4% increase [6][13] - The relative performance of the vaccine sector compared to the CSI 300 index shows a decline of 8% over the past month and 20% over the past year [5] Company Performance - Leading companies in the vaccine sector include Hualan Biological Engineering, Kangtai Biological Products, and CanSino Biologics, while underperformers include Olin Biological, Liaoning Chengda, and Zhifei Biological [7] Valuation Metrics - The vaccine sector's price-to-earnings (PE) ratio is 107.62X, reflecting a significant increase of 24.74X, while the price-to-book (PB) ratio stands at 1.98X, showing a slight decrease [8][9] Investment Recommendations - The report emphasizes the importance of innovation and international expansion for long-term growth in the vaccine industry. Companies with strong research and development capabilities and differentiated products are recommended for investment, specifically highlighting CanSino and Kanghua Biological [10][30]