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监测指标理论研究:阐明残存螺点螺口消长3年形成不同螺口的螺点全频率分布;ELISA及COPT检测控制流行地区儿童血吸虫抗体消退后的试验反应值全频率分布;水体内低密度毛蚴对钉螺形成低感染率和低密度尾蚴对小鼠形成高感染率的传播关系。上述结果为评价残存传播条件的流行病学意义,及常用于监测工作的检测技术的灵敏度和制定监测方案提供科学依据。监测方案及技术措施研究:观察不同监测方案试点和技术措施的效果,为制定监测方案提供现场实践依据。拟定基本消灭地区清查方案,消灭地区监测方案、重新传播流行预测方案和血防巩固监测指标。
Monitoring indicators theoretical study: elucidation of remaining spiral screw mouth growth and decline for 3 years to form a different screw full frequency distribution; ELISA and COPT test control prevalence of schistosoma japonicum antibody subsided after the test response value of the full-frequency distribution; Low infection rates on snails and low-density cercariae in mice formed a high infection rate of transmission relationship. The above results provide a scientific basis for assessing the epidemiological significance of residual transmission conditions and the sensitivity of detection techniques commonly used in surveillance work and the development of monitoring programs. Monitoring programs and technical measures: To observe the effects of different monitoring programs and technical measures, and to provide on-site practical evidence for the development of monitoring programs. The drafting of the basic plan for the elimination of regional inventories, the elimination of regional monitoring programs, the dissemination of popular prediction programs and monitoring indicators for blood-consolidation prevention.