Core Viewpoint - The demand for tetanus passive immunization agents in China is increasing due to rising injury cases from industrial accidents and traffic incidents, alongside a growing public awareness of health and preventive vaccinations [1][6][7]. Market Overview - The market size of China's tetanus passive immunization agents reached 3.23 billion yuan in 2022, with a year-on-year growth of 17.45% [1][7]. - However, the market is projected to decline to 2.66 billion yuan by 2024 due to a slowdown in real estate development and a decrease in the number of construction workers, who are the primary consumers of these immunization agents [1][7]. Industry Policies - The Chinese government has implemented various policies to support the development of the biological products industry, including tetanus passive immunization agents, creating a favorable environment for industry growth [4]. Industry Chain - The upstream of the tetanus passive immunization agents industry includes plasma, cell culture media, and other biological materials, while the midstream focuses on research and production, and the downstream involves medical institutions and consumers [4][5]. Competitive Landscape - The tetanus passive immunization agents market is divided into four segments, with Jiangxi Biological Products Research Institute holding a significant market share of 65.8% in the tetanus antitoxin sector [7][8]. - The market for tetanus human immunoglobulin is more competitive, with numerous companies including Shenzhen Weiguang Biological Products Co., Ltd. and Hualan Biological Engineering Co., Ltd. [8]. Development Trends - Future advancements in the tetanus passive immunization agents field are expected to include the application of monoclonal antibodies and recombinant DNA technology, leading to more efficient production methods and improved product safety [10][11]. - The increasing coverage of cold chain logistics and the promotion of hierarchical medical policies will enhance the role of grassroots medical institutions in tetanus prevention and treatment, unlocking further market potential [10][11].