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目的分析潮州市登革热的流行特点,探讨登革热的防制对策。方法对潮州市2008年登革热病例个案调查和实验室检验资料、各暴发疫点的现场流行病学调查资料进行分析。结果2008年潮州市共报告登革热病例26例,年发病率为1.02/10万,无出现重症和死亡病例。暴发地区主要集中在枫溪区12例(占46%)和潮安县14例(占54%),呈现高度集中而又相对分散的特点。流行时间集中在10—11月份,疫情持续时间为37 d。男性14例(占54%),女性12例(占46%),各年龄组均有发病。临床表现以典型登革热为主。采集83份疑似登革热病例的血清进行登革热抗体IgM和IgG检验,结果23份阳性,其中5份阳性血清样本送广东省疾病预防控制中心进行病毒分离,结果2份分离出I型登革病毒。结论潮州市存在有利于登革热暴发流行的自然和社会因素;应加强登革热疫情和蚊媒监测,提高医务人员的诊疗水平和疫情报告意识,开展健康教育活动,动员群众主动参与登革热防制工作。
Objective To analyze the epidemiological characteristics of Dengue fever in Chaozhou and to explore the control strategies of dengue fever. Methods The case investigation and laboratory test data of Dengue cases in 2008 in Chaozhou City were analyzed. The field epidemiological survey data of each outbreak were analyzed. Results In 2008, 26 cases of dengue fever were reported in Chaozhou, the annual incidence rate was 1.02 / 100,000. No serious or death cases were reported. The outbreak areas mainly concentrated in Fengxi District, 12 cases (46%) and Chaoan County, 14 cases (54%), showing a highly concentrated but relatively dispersed characteristics. The epidemic concentrated in October-November, the epidemic duration was 37 days. There were 14 males (54%) and 12 females (46%), all of which had morbidity in all age groups. The main clinical manifestations of dengue. Totally 83 serum samples of suspected dengue were collected and tested for IgM and IgG of dengue antibody. 23 samples were positive, of which 5 samples were sent to Guangdong Center for Disease Control and Prevention for virus isolation. As a result, 2 isolates of type I dengue virus were isolated. Conclusion There are natural and social factors conducive to the epidemic of Dengue outbreak in Chaozhou. We should strengthen the monitoring of dengue fever and mosquito vectors, raise awareness of medical treatment and reporting and epidemic reporting, carry out health education activities and mobilize the masses to participate in the prevention and control of dengue fever.