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Malaria elimination progress and control effect evaluation in Guangning County of Zhaoqing City from 1950-2016
Pages: 931-934
Year: Issue:  7
Journal: Occupation and Health

Abstract: [Objective] To analyze the malaria elimination progress and control measures in Guangning County of Zhaoqing City from 1950-2016,provide scientific evidences for consolidating the achievements of malaria elimination.[Methods] The data of epidemic situation,monitoring,control measures and control effects of malaria in Guangning County from 1950 to 2016 were collected,to analyze and evaluate the malaria epidemic characteristics and control measures in different stages.[Results] Totally 50 306 cases of malaria were reported in Guangning County from 1950 to 2016,the e annual average morbidity was 182.92/lakh,and there were 13 death cases with the mortality rate of 25.84/lakh.The pandemic of malaria occurred in 1953-1957,the highest annual average morbidity was 2 438.85/lakh in 1953,followed by 1955 (2 123.39/lakh).The main malaria vector was Anopheles minimus,and the most cases were vivax malaria.The control process was classified to four stages,including the primary control,large scale implementation of comprehensive anti-malarial measures to control the epidemic,basic malaria eradication,monitoring and consolidation.Relevant measures were applied in different stages,the annual average morbidity decreased from 2 438.85/lakh in 1953 to 10/lakh in 1975,and maintaining a very lower level (0-9.44/lakh) after 1976.Furthermore,no local infection cases were found in the last 14 years,and no more new cases were recorded in the last decade.These results indicated the effects of control measures in different stages were effective and feasible.[Conclusion] The malaria elimination in Guangning County has met the national standard.However,in order to consolidate the achievements of malaria elimination,it is necessary to continue to implement long-term prevention and control measures,enhance the malaria monitoring and management among the floating population,and duly find and treat the imported cases.
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