The invention relates to an influenza vaccine composition for spray-administration to nasal mucosa, which comprises a gel substrate comprising an inactivated whole influenza virus antibody and carboxy vinyl polymer, which is characterized in that the composition comprises no adjuvant.本發明係關於一種經鼻黏膜噴霧投予型流感疫苗組成物,其特徵為:包含流感病毒不活化全粒子(whole virion)抗原以及含有羧基乙烯系聚合物之凝膠基劑;且不包含佐劑。