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目的：寻求海南高疟山区控制“上山感染”疟疾的方法和措施。地区：在岛东南的山林区一万宁县南桥乡研究，1993年全乡疟疾年带虫发病率15．3‰，居民原虫率17．3％，恶性疟占27.8％；疟疾抗体（IFA）阳性率38．7％，疟疾病例中85％系上山感染，居民上山住宿率约为30％，主要传
Objective: To seek methods and measures to control malaria infection in “mountainous area” in mala mountains area in Hainan province. In 1993, the incidence of annual incidence of malaria in the township was 15.3 ‰, the population was 17.3% and the percentage of falciparum malaria was 27.8%. Malaria antibody (IFA) Positive rate of 38.7%, 85% of cases of malaria infection in the mountains, residential residents uphill accommodation rate of about 30%, mainly