论文部分内容阅读
目的分析珠海市2007年登革热疫情流行病学特征及流行因素,为今后制定登革热防控措施提供科学依据。方法收集珠海市传染病疫情监测和报告信息系统资料及流行病学个案调查、现场专题调查、住院病历等资料,采用描述性流行病学方法进行统计分析。采集相关标本进行登革病毒病原学检测。结果2007年珠海市共报告登革热病例132例,其中从澳门输入1例,本地感染131例,发病率为9.92/10万;临床表现以典型轻型为主,无死亡病例;病例集中分布在香洲区城乡结合部,东坑社区是主要暴发点;疫情始于8月13日,持续76 d,发病高峰在8月30日至9月6日;病例男女性别比为1.2∶1,年龄以20~39岁年龄组为主,占51.5%(68/132),职业以工人、家务及待业和学生为主。实验室检测显示,疫情流行株为登革病毒1型,输入病例病毒株为登革病毒2型。暴发点社区人群登革病毒感染率为7.0%。结论2007年珠海市登革热疫情呈局部暴发,为输入性病例引起本地感染的暴发疫情。开展持续的媒介监测,建立实验室支持的主动监测系统是有效的防控措施。
Objective To analyze the epidemiological and epidemiological characteristics of dengue fever in Zhuhai in 2007 and provide a scientific basis for dengue fever prevention and control measures in the future. Methods Data of epidemiological surveillance and reporting system of infectious diseases in Zhuhai were collected, as well as epidemiological investigation, scene investigation and hospitalization records, and the data were analyzed by descriptive epidemiological method. Relevant specimens collected for dengue virus etiology detection. Results A total of 132 cases of dengue fever were reported in Zhuhai in 2007, of which 1 case was imported from Macao and 131 cases were local infection, the incidence was 9.92 / 100 000. The clinical manifestations were mainly light and no deaths were found. The cases were concentrated in Xiangzhou District The junction of urban and rural areas, Dongkeng community is the main outbreak point; outbreak began on August 13, continued for 76 days, the peak incidence in the August 30 to September 6; cases of male to female ratio was 1.2: 1, the age of 20 ~ 39-year-old age group, accounting for 51.5% (68/132), occupation of workers, housework and unemployed and students. Laboratory tests showed that the epidemic strain was dengue virus type 1, and the imported case strain was dengue virus type 2. Outbreak of the community Dengue virus infection rate of 7.0%. Conclusion In 2007, the outbreak of dengue fever in Zhuhai was a local outbreak, which was the outbreak of local infection caused by imported cases. Carrying out continuous media monitoring and establishing a laboratory-supported proactive monitoring system is an effective prevention and control measure.