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1985年广州市发生1型登革热流行,疫情波及4个城区和4个郊区(县)的61条行政街及14个镇(区),发病率为14.42/10万,无死亡,流行期达4个月,发病高峰在10月下旬至11月中旬,占总病例数66.2％。患者以青壮年多见,临床表现以典型登革热症状为主,血清学检查呈初次登革抗体反应。从疫区的急性期病人的血中及白纹伊蚊体内分别分离出5株和1株1型登革病毒,与血清学调查结果相吻合。流行病学调查和病原学分离结果,首次证实白纹伊蚊是本市传播登革热的主要媒介。
In 1985, a dengue epidemic occurred in Guangzhou City. The epidemic spread to 61 administrative streets and 14 towns (districts) in 4 urban districts and 4 suburban counties with a prevalence of 14.42 / 100 000, with no death and a prevalence of 4 Month, the peak incidence in late October to mid-November, the total number of cases 66.2%. Patients are more common in young adults, the clinical manifestations of typical dengue symptoms, serological tests showed the first dengue antibody response. Five strains and one strain of Dengue virus type 1 were isolated from the blood of patients with acute phase and Aedes albopictus in the epidemic area, respectively. The results were in good agreement with the serological findings. Epidemiological investigations and etiological isolation results, for the first time confirmed Aedes albopictus is the city’s main medium of transmission of dengue fever.