The worm reduction rate after challenging with mainland strain cercariae in mice immunized with rSj26 was 26~32%, similar to that in mice immunized with 24-26 kDa antigen.

若以两种抗原加福氏佐剂分别免疫小鼠，以日本血吸虫大陆株尾蚴攻击感染，减虫率相似（26～32％），表明两种抗原存在一定程度的交叉免疫保护性。