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多种实验动物对曼氏血吸虫能产生获得性免疫力以抵抗重复感染。但目前仍未发现有与宿主抗力相关的抗血吸虫的体液或细胞活力。对重复感染的免疫力只能从攻击感染后的结果来判断。过去常用小白鼠感染后4
Many experimental animals produce acquired immunity to S. mansoni to combat repeated infections. However, no humoral or cellular activity of the anti-schistosome associated with host resistance has been found so far. The immunity to repeated infections can only be judged from the results of the challenge infection. In the past often used mouse infection 4