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目的了解桂林市大中专新生疟疾血清抗体水平,为本市疟疾防治提供参考。方法对1999—2009年每年本市各大学、中专和专业技术学校入校新生收集血清样品,采用疟疾间接荧光抗体试验(IFAT)的方法进行检测,并用Excel软件作资料统计处理。结果共检查大中专新生257 055名,发现疟疾IFAT阳性者共307名,人群年平均阳性率为11.94/万,阳性平均滴度(阳性GMRT)为54.23,总平均滴度(总GMRT)为20.03。大学生中阳性者为178名,本省籍学生占42.70%,外省籍学生57.30%。人群年平均阳性率为8.64/万。中专技校生中阳性者为129名,本省籍学生占84.50%,外省籍学生15.50%。中专技校学生人群年平均阳性率为25.25/万。10年期间疟疾IFAT阳性者数量呈现逐年下降的趋势,从1999年54.68/万下降到2009年的3.04/万。结论该市大中专新生中长期存在疟疾感染者,尽管本世纪以来被感染者人数呈现逐年减少的趋势,但其监测仍需继续。
Objective To understand the level of serum malaria antibodies in freshmen in Guilin city and provide a reference for the prevention and treatment of malaria in this city. Methods Serum samples were collected from freshmen at universities, technical secondary schools and technical schools in the city from 1999 to 2009. The samples were tested by indirect immunofluorescence antibody test (IFAT) and statistically analyzed by Excel software. Results A total of 257 055 college freshmen and malaria test students were enrolled. A total of 307 IFAT positive malaria patients were found. The average annual positive rate of the population was 11.94 / million. The positive mean titer (positive GMRT) was 54.23. The total mean total titer (GMRT) was 20.03. 178 were positive among college students, 42.70% were provincial students, and 57.30% were provincial students. The annual average positive rate of population was 8.64 / million. Among the technical secondary school technical secondary school students, there are 129 positive students, 84.50% of provincial students and 15.50% of provincial students. The average annual positive rate of secondary school students was 25.25 / million. During the 10-year period, the number of IFAT-positive malaria patients showed a decreasing trend year by year, from 54.68 / million in 1999 to 3.04 / million in 2009. Conclusion Although the number of newly infected malaria patients in the city is medium and long term, the number of infected persons in this century shows a trend of decreasing year by year, but the monitoring needs to be continued.