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背景大连地区已属于无疟区,人们对疟疾的危害认识不是,也不了解如何去自我保护,赴高疟区极易感染疟疾。因此,对从无疟区赴高疟区人员,进行预防疟疾知识的宣传教育、自我保健措施的指导十分重要。方法对回归人员进行问卷调查,回顾性流行病学调查及血清抗体测定。结果大连远洋渔业公司1998年2月到2000年2月两年内在喀麦隆(Cameroon)的工作人员共256名,感染人数为179人,感染率为69.92%;死亡2人,死亡率为0.78%;回国后复发89人,复发率为49.72%。感染对象主要是陆地户外工作人员,发病季节主要在6-9月。结论发病主要原因没有采取有效的预防措施,露天工作逗留时间过长,与当地居民接触密切等。疟疾类型以恶性疟为主。
Background Dalian has belonged to no malaria area, people do not know the harm of malaria, nor do they know how to protect themselves. It is very easy to get malaria in high malaria area. Therefore, guidance on malaria prevention and malaria knowledge prevention and self-care measures for malaria-endemic areas from malaria-free areas is very important. Methods A questionnaire survey, retrospective epidemiological investigation and serum antibody test were carried out on returnees. Results Dalian COSCO Fishery Company had a total staff of 256 in Cameroon from February 1998 to February 2000 with an infection rate of 69.92% and two deaths with a mortality rate of 0.78%. After returning to return 89 people, the recurrence rate was 49.72%. Infected objects are mainly land-based outdoor workers, the onset season mainly in June-September. Conclusion The main causes of the disease did not take effective preventive measures, open-air working stay for too long, close contact with local residents and so on. The type of malaria is mainly falciparum malaria.