（编辑 丛可心） 证券日报网讯 12月19日，海正药业在互动平台回答投资者提问时表示，公司产品法维拉韦片（海复 康）作为一种RNA聚合酶抑制剂，以其广谱抗病毒和低耐药性的特点，使其在对抗多种RNA病毒方面 显示出广泛的应用潜力。公司已围绕可及性、知晓率方面整合内外部资源全力推进，线下销售如进院等 工作也已经在全面推广，广大患者还可以通过电商渠道购买该产品。 ...

Core Viewpoint - Haizheng Pharmaceutical's product Favipiravir (Hai Fukan) is indicated for the treatment of adult influenza, particularly when other antiviral treatments are ineffective or inadequate, and it has been included in the medical insurance drug list [1] Group 1: Product Information - Favipiravir is a broad-spectrum antiviral drug with RNA polymerase inhibitory properties, showing significant potential against various RNA viruses due to its broad-spectrum antiviral activity and low resistance [1] - The company is actively promoting the accessibility and awareness of Favipiravir by integrating internal and external resources [1] Group 2: Sales and Distribution - Offline sales efforts, including hospital access, are being comprehensively promoted, and patients can also purchase the product through e-commerce channels [1]

Group 1 - A-share market rebounded on November 25, with all three major indices closing higher and total trading volume slightly increasing to 1.81 trillion yuan [1] - The flu concept stocks led the gains, with significant increases in sectors such as PCB, gaming, lithium mining, and flu-related stocks, where several stocks hit the daily limit [1] - Notable flu concept stocks included Kangzhi Pharmaceutical (+13.18%), Hualan Vaccine (+11.25%), and Xinhua Pharmaceutical (+10.00%) [2][3] Group 2 - The flu concept stocks have seen heightened attention since November, driven by news from the National Health Commission indicating a rising flu activity level, particularly in southern provinces [4] - Investor inquiries regarding flu-related stocks surged, with 48 questions on the Shanghai Stock Exchange and 152 on the Shenzhen Stock Exchange in November, compared to only 8 and 68 in October, respectively [4] - Companies like Zhenbaodao and Buchang Pharmaceutical reported on their flu treatment drugs and vaccines, with Buchang's four-valent flu vaccine approved for market sale [5][6] Group 3 - Several brokerages have released reports highlighting the increased demand for flu medications due to the current flu season, which has reached a high level not seen since 2022 [7] - Securities firms recommend focusing on investment opportunities in in vitro diagnostics, vaccines, pharmacies, and related pharmaceutical companies due to the rising flu cases [7] - The flu season's early onset and the low immunity levels against H3N2 among the population are contributing factors to the increased flu positivity rates in hospitals [7]