华兰疫苗(301207.SZ)：尚无预防尼帕病毒相关的疫苗产品

Group 1 - The company, Hualan Vaccine (301207.SZ), announced an abnormal fluctuation in its stock trading [1] - The industry in which the company operates is human vaccine manufacturing [1] - The main product of the company is the quadrivalent influenza virus vaccine, which is used to prevent influenza caused by the flu virus [1] Group 2 - Currently, the company does not have any vaccine products for the prevention of Nipah virus [1]