Analysis of assessment results in eliminating malaria in 9 counties (districts) of Nanchang

Abstract

Objective To analyze the results of assessment of malaria elimination in 9 counties (districts) of Nanchang City, and explore suitable monitoring methods for malaria after elimination of the disease in this region. Methods In 2016, the data from the network reports of malaria epidemic situation, blood examinations of febrile patients, epidemiological questionnaires of local malaria cases, investigation of epidemic focuses and disposal tables were collected and analyzed in Nanchang City from 2010 to 2015. The data of malaria elimination assessment at county (district) level of Donghu District, Xihu District, Qingshanhu District and Wanli District in 2013, Nanchang County and Anyi County in 2014, Jinxian County, Qingyunpu District and Xinjian District in 2015 were collected. At same time, the data of ability of the diagnosis and treatment of malaria in clinicians, the microscopical examinations of Plasmodium in the inspection personnel were collected. Totally 30 negative blood slides and all positive blood slides since 2010 were reviewed. Results From 2010 to 2015, 93 local malaria cases were reported in Nanchang City, the majority of malaria cases were imported except 2 local malaria infection cases in 2010. Totally 64 027 febrile patients received blood detections for malaria, of which 101 cases were positive and the positive rate was 0.16%. The positive blood slides review rate was 100.00% (101/101), the negative blood slides review rate was 9.69% (6 195/63 926). 9 counties (districts) all passed the malaria elimination assessment at county (district) level. The malaria elimination assessment scores of the 9 counties (districts) were all higher than 90 points. The correct rate of inspection personnel of microscopical examinations of Plasmodium was 91.58% (174/190), the correct rate of knowledge of the diagnosis and treatment of malaria was 95.00% (1 710/1 800), the coincidence rate of blood slides review was 100.00%(304/304) in Nanchang, the qualified rate of slides production and dyeing was 88.16% (268/304). Conclusions All the 9 counties (districts) of Nanchang City have passed the malaria elimination assessment with high scores. After malaria elimination, the monitoring should continue to consolidate the achievements. Key words: Malaria; Elimination; Assessment