美国食品药品监督管理局(FDA)于2015年11月24日批准了新的季节性流感疫苗Fluad上市,用于预防老年人的季节性流感。Fluad是三价疫苗,可以预防3种流感病毒株(2个A亚型、1个B型)的感染。为了提高免疫原性,Fluad采用了角鲨烯油作为其免疫佐剂。角鲨烯油广泛存在于人类、动物和植物中,其形成的水 The U.S. Food and Drug Administration (FDA) approved the listing of the new seasonal flu vaccine Fluad on November 24, 2015 to prevent seasonal flu in the elderly. Fluad is a trivalent vaccine that prevents the infection of three influenza virus strains (2 A subtypes and 1 B type). In order to enhance immunogenicity, Fluad uses squalene oil as its immune adjuvant. Squalene oils are found widely in humans, animals and plants and form water