Chen Guo-wei, Wei Chun, Li Hua-xian, Yang Li-xiang, Huang Qiang, Yan Han-zhang, Tian Guang-qiang, Bai Zhi-Rong
Yunnan Institute of Parasitic Diseases, Simnao 665000, China.
Zhongguo Ji Sheng Chong Xue Yu Ji Sheng Chong Bing Za Zhi. 2011 Feb 28;29(1):55-7.
Malaria situation in 5 monitoring sites of Yunnan showed a decline trend from 2005 to 2008. The average malaria incidence in 2008 was 11.84/10,000 with a decrease of 66.1% in comparison to 2005. The seropositive rate with immuno-fluorescence assay (IFA) was 4.61% for pupils. 82% of the cases chose town or township hospitals as the first place of seeking diagnosis and treatment. 83.6% cases were diagnosed over 3 days of symptom appearing. The main clinical manifestation was fever every other day attack (occupied 72.7%). 98.4% of the cases were with light symptoms. The proportion of primary attacks and relapses among malaria patients were 95.3% and 4.7%, respectively. Plasmodium vivax was the main malaria parasite, occupying 81.2%. 97.2% of the local infected cases were found in the bordering areas of the country. The mosquito net utilization rate was 51.4%. Results showed that malaria has been effectively controlled in the monitoring sites of Yunnan.
2005年至2008年，云南5个监测点的疟疾疫情呈下降趋势。2008年疟疾平均发病率为11.84/万，较2005年下降了66.1%。小学生免疫荧光法（IFA）血清阳性率为4.61%。82%的病例首选乡镇医院就诊。83.6%的病例在出现症状3天后才得以确诊。主要临床表现为隔日发热发作（占72.7%）。98.4%的病例症状较轻。疟疾患者中原发和复发病例的比例分别为95.3%和4.7%。间日疟原虫是主要疟原虫，占81.2%。97.2%的本地感染病例发现于边境地区。蚊帐使用率为51.4%。结果表明，云南监测点的疟疾已得到有效控制。
