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以6周龄的小白鼠进行了多次试验。静注2×10~7个活结核菌苗(BCG)后2周、4周,各以10~6个巴贝西虫进行攻击(部分动物用7.5×10~8个巴贝西虫攻击),均表现有保护作用。甚至在腹腔感染巴贝西虫前28天静注BCG,在感染后14、25、50、100天各再以巴贝西虫2×10~6、3×10~6、2.5×10~7和10~6个感染小白鼠,血检未查见原虫达155天之久;并且在40天时部分动物切脾后原虫未再现;以切下的脾脏转种至其他动物也未造成感染。由此说明免疫是彻底的。以间接荧光抗
Several experiments were conducted with 6-week-old mice. Two to ten rabbits were challenged with 2 to 10 bacilli (BCG) 2 weeks and 4 weeks each with 10 to 6 Babesia worms (some animals were attacked with 7.5 × 10 -8 Babesia) , Have shown a protective effect. BCG was intravenously administered even 28 days prior to abdominal infection with Babesia, and 2, 10 ~ 6, 3 × 10 ~ 6, 2.5 × 10 ~ 7 And 10 to 6 infected mice. The protozoa were undetected for 155 days after blood test. At 40 days, the protozoa did not reproduce after the splenectomy in some animals. In addition, transplanting the spleens to other animals did not cause infection. This shows that the immune is complete. Indirect fluorescent anti-