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1980年6～11月在广西沿海合浦、钦州两县由登革Ⅲ型病毒引起首次登革热流行,疫点发病率分别为44.21％、57.41％。1986年9～11月在北海市发生第二次流行,流行株为登革Ⅱ型病毒,疫点发病率为12.60％,1987年7月在内陆地区玉林市报告1例Ⅱ型病毒感染的病例,1988年至今未见有病例报告。流行病学资料分析结果:各年龄组普遍易感;两次流行与海南疫情关系密切;传播媒介,合浦县为埃及伊蚊,钦州县、北海市为白纹伊蚊;实施化学方法和清除伊蚊孳生地的灭蚊后,经1～2个潜伏期即可终止流行。
From June to November 1980, the first dengue fever was caused by dengue virus type Ⅲ in Hepu and Qinzhou counties along Guangxi coast. The epidemic incidence rates were 44.21% and 57.41% respectively. From September to November 1986, a second epidemic occurred in Beihai City. The epidemic strain was dengue type II virus. The outbreak rate was 12.60%. In July 1987, one case of type II virus infection was reported in Yulin, inland area No cases have been reported since 1988. Epidemiological data analysis results: all age groups are generally susceptible; two epidemic and Hainan epidemic close; the media, Hepu Egypt aegypti, Qinzhou County, Beihai City for Aedes albopictus; the implementation of chemical methods and clear Iraq Mosquito breeding places after mosquito control, after 1 or 2 incubation periods can be terminated.