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目的及时处理疫情,为今后疟疾防控提供指导依据。方法对贡山县独龙江乡石灰窑公路施工点2011年7月发生的一起恶性疟疾暴发疫情进行调查。结果 2011年7月22日12:00-15:00,独龙江乡石灰窑公路施工点先后出现4例高热、头痛、全身酸痛、乏力、呕吐、食欲不振的患者,县医院诊断为恶性疟疾,患者均于2011年5月2日从泸水县古登乡干奔村干奔组到缅甸葡萄县拉达阁的林区打工,7月15日回国。2011年7月17日到贡山县石灰窑公路工地,此后无外出史、疟疾病人接触史及输血史。4例患者中3例来自云南省泸水县古登乡干奔村干奔组,均为男性,年龄18~23岁。4例患者的末梢血疟疾快速诊断试剂卡(RDT)检测为阳性,末梢血涂片镜检检出恶性疟原虫,血清乙脑lgM抗体阴性,伤寒副伤寒肥达试验阴性。结论这是一起外源性恶性疟疾暴发疫情。
Objective To deal with the outbreak in time and provide guidance for the prevention and control of malaria in the future. Methods A survey was conducted on an outbreak of falciparum malaria in July 2011 in the lime kiln road construction site of Dulongjiang Township, Gongshan County. Results On July 22, 2011 at 12: 00-15: 00, four cases of high fever, headache, body aches, fatigue, vomiting and loss of appetite occurred in the construction of lime kiln highway in Dulongjiang Township. The county hospital diagnosed with malaria , Patients were working on May 2, 2011 from the dry Benlugan group in Gudden Township, Lushui County, to the forestry area in Lada Pavilion, Gansu, Myanmar, and returned to China on July 15. July 17, 2011 to Gongshan County lime kiln highway site, since no history of outbreaks, history of malaria exposure and blood transfusion history. Of the 4 patients, 3 came from the dry-run group in Qiban village, Qudan township, Lushui County, Yunnan Province, both of whom were male and aged 18 to 23 years. Four patients had a positive peripheral blood malaria diagnostic test (RDT) card, Plasmodium falciparum was detected by peripheral blood smear microscopy, serum IgM IgM was negative, and typhoid Paratyphrosis was negative. Conclusion This is an outbreak of exogenous malignant malaria.