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目的分析潮州口岸1997年和2000年登革热流行情况,以便制定防制对策。方法整理分析1997年和2000年疫情报告表及登革热病例各案调查表,登革热病人血清病毒抗体测定结果分析及蚊媒监测结果分析。结果1997年和2000年分别报告登革热病例600例和256例,发病率分别为186.64/10万和78.37/10万。发病最早为8月上旬,最后1例为11月上旬,发病高峰在8月下旬—10月上旬。发病年龄最大90岁,最小2岁,各年龄组均有病例发生,以青壮年为主。职业分布:1997年以农民为多,占59.67%:2000年以工人为多,占45.66%。采集部分登革热病人血清作抗体测定,均为登革热病毒抗体Ⅰ型。流行区的新发病例与布雷图指数成正比。结论暴发流行时,疫区内以一户多例为多见,非暴发流行区多为散发病例。加强传染源管理、防蚊灭蚊是登革热防制的关键。
Objective To analyze the epidemic situation of dengue fever in the ports of Chaozhou in 1997 and 2000 in order to make prevention and control measures. Methods The questionnaires of cases of epidemic situation and dengue fever cases in 1997 and 2000 were analyzed and analyzed. The result of serum virus antibody in dengue patients and the result of mosquito vector monitoring were analyzed. Results A total of 600 cases of dengue fever and 256 cases of dengue fever were reported in 1997 and 2000, respectively, with the incidence rates of 186.64 / lakh and 78.37 / lakh respectively. The earliest onset in early August, the last case of early November, the peak incidence in late August - early October. The oldest age of onset of 90 years, the youngest 2 years old, all cases have occurred in all age groups, mainly young adults. Occupation distribution: farmer in 1997, accounting for 59.67%: more workers in 2000, accounting for 45.66%. Part of dengue serum collected for antibody determination, are dengue virus antibody type Ⅰ. Emerging cases of endemic areas are directly proportional to the Bretti Index. Conclusions When the outbreak is epidemic, more than one case is common in the epidemic area, and most of the non-outbreak cases are sporadic cases. To strengthen the management of infection sources, mosquito control and mosquito control is the key to prevention and control of dengue fever.