永城,太康等十二个县市先后于1971～1979年开展丝防工作。根据流行程度不同,分别采取全民服海群生盐加对象治疗(即全民吃了3‰海群生盐3～6个月,病人服第三疗程)、全民服药加对象治疗(全民服药一疗程,病人服药三疗程)、对象治疗加病家服药(病人服药三疗程,家属服药一疗程)等办法,经过2～10年的反复斗争,使丝虫 Yongcheng, too Kang and other twelve counties in 1971 ~ 1979 to carry out silk defense work. According to the prevalence of different degrees, respectively, take full service sea salt population plus sea salt treatment (that is, all the people eat 3 ‰ sea salt 3 to 6 months, the patient taking the third course of treatment), the national medication and the object of treatment Medication three courses), the object of treatment plus sickness medication (patient medication three courses, family members taking a course of treatment) and other methods, after 2 to 10 years of repeated struggles, so that filarial