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目的了解海南省基本消除丝虫病后残存微丝蚴血症者的消长规律及传播作用,为制定消除丝虫病对策提供科学依据。方法按照卫生部《基本消灭丝虫病地区监测工作技术方案》,在全省开展病原学、蚊媒和血清学(IFAT)纵横向监测。结果在横向监测中,末次检出微丝蚴阳性者的年份为1999年,蚊媒监测未查见人体幼丝虫感染蚊;在四个纵向监测点查出残存微丝蚴血症者132例,至1999年已全部自然转阴,发现幼丝虫阳性蚊88只,从1997年后未查见人体幼丝虫阳性蚊;血清学(IFAT)监测,平均人群抗体阳性率从1990年的10.63%下降到2000年的0.28%,与非流行区的人群相似。结论海南省基本消除丝虫病后残存传染源已趋向自然净化,丝虫病传播已被完全阻断。
Objective To understand the growth and spread of the microflora in children with microfilaremia after the basic elimination of filariasis in Hainan Province and to provide a scientific basis for the formulation of countermeasures to eliminate filariasis. Methods According to the Ministry of Health “basic elimination of filariasis area monitoring technical programs” in the province to carry out etiology, mosquito vector and serological (IFAT) vertical and horizontal monitoring. Results In the transverse monitoring, the year with the last positive microfilariae was 1999, and the mosquito media did not detect the young mosquitoes infected with mosquito. In the four longitudinal monitoring sites, 132 cases with residual microfilaremia were detected , All of them were naturally turned negative by 1999 and found that there were 88 mosquito positive mosquitoes. No positive mosquitoes were found after 1997. Serum IFAT monitoring showed that the average positive rate of antibody in the population increased from 10.63 % Dropped to 0.28% in 2000, similar to those in non-endemic areas. Conclusion The source of residual infection after the basic elimination of filariasis in Hainan Province has tended to be purified naturally, and the transmission of filariasis has been completely blocked.