华兰疫苗：公司主力产品为四价流感病毒裂解疫苗

Core Viewpoint - The company, Hualan Vaccine, has observed a significant increase in public awareness regarding flu vaccine uptake, particularly for its quadrivalent inactivated influenza vaccine, leading to rapid inventory turnover [1] Group 1: Product and Market Demand - The main product of the company is the quadrivalent inactivated influenza vaccine [1] - Since October, especially in November, there has been a notable enhancement in public awareness about flu vaccination [1] - The company has been working overtime to increase production and repackaging of the quadrivalent influenza vaccine to meet market demand [1] Group 2: Production and Supply Chain - The company has submitted batch release applications for multiple batches of the quadrivalent influenza vaccine [1] - It is expected that the vaccine will be launched in the market shortly after completing the batch release process [1]