临沂市2001～2011年疟疾监测结果分析

目的 分析临沂市疟疾流行特征,为疟疾防治提供科学依据.方法 收集临沂市2001～ 2011年的疟疾疫情、发热病人血检等数据进行统计分析.结果 临沂市2001～2011年期间共报告疟疾病例53例,年平均发病率0.047/10万,在2005～2008年间疟疾疫情出现小幅上升,发病率平均为0.092/10万.疟疾病例实验室诊断37例,临床诊断16例；间日疟44例,占83.0％,恶性疟9例,占17.0％；本地感染22例,占41.5％,外地感染31例,占58.5％.病例以20～45岁青壮年农民为主,发病主要集中在7～10月份；发热病例血检阳性率为0.087‰.结论 临沂市2001～2011疟疾发病率保持在较低的水平；加强流动人口管理,防止输入性继发病例的发生,是今后疟防工作的重点.

Results of malaria surveillance in Linyi city in 2001-2011

Objective To analyze the epidemiological characteristics of malaria in Linyi in 2001-2011 and provide scientific evidence to further control.Methods Data concerning malaria infection and blood examination of malaria patients in Linyi city during the years of from 2001-2011 were collected and analyzed.Results A total of 53 malaria cases were reported with an average annual incidence of malaria was 0.047/100 000 population in Linyi city from 2001 to 2011 and the incidence rate showed a slight rise in 2005-2008 and average annual incidence was 0.092 /100 000 population There were 37 laboratory and 16 clinical diagnosed cases.There were 44 Plasmodium vivax malaria cases accounted for 83% of total cases and 9 Plasmoium falciparum malaria cases accounted for 17%.There were 22 indigenous cases accounted for 41.5% and 31 imported cases accounted for 58.5%.Most of cases were farmers and at age of 20-45 years.Most infections were in September and October accounted for 60.3%.Positive rate in blood examination of fever patients was 0.087‰.Conclusion The incidence of malaria maintained at a very low level in Linyi from 2001 to 2011.Emphasis be put on strengthening the management of floating？population and preventing imported cases.