引起人体贫血的原因颇多,但根据发病机理不外乎造血不良、红细胞过度破坏以及急、慢性失血等三种。而多种寄生虫感染可通过上述机理引起人体贫血。(一)引起贫血的寄生虫虫种:主要为原虫和蠕虫类。原虫有:黑热病原虫、疟原虫(主要是间日疟、恶性疟)、冈比亚锥虫、罗得西亚锥虫、兰氏贾弟鞭毛虫等。蠕虫有:钩虫、鞭虫、捻转血矛线虫、粪 Anemic anemia caused by many reasons, but nothing more than the pathogenesis of hematopoietic failure, excessive destruction of red blood cells and acute and chronic blood loss and other three. A variety of parasitic infections can cause human anemia through the above mechanism. (A) the parasite species that cause anemia: mainly protozoa and worms. Protozoan: Protozoan fever, Plasmodium (mainly vivax malaria, falciparum malaria), Trypanosoma gambiense, Trypanosoma Rhodesia, Giardia lamblia. Worms are: hookworm, whipworm, Haemonchus contortus, excrement