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目的 为了探明流行性出血热流行因素的变化 ,导致其流行规律演变。方法 运用流行病学、血清学、病原学方法 ,对EHF数十年的流行特征进行分析研究。结果 由于EHF流行因素的改变 ,引起了EHF流行规律发生了一系列的变化 ,疫情总体趋于稳定 ,老疫区、重疫区发病有所下降 ,低发区、新发区发病增多 ;EHF的季节分布和人群分布也发生相应改变 ;疫区及疫源地从低海拔地区向高海拔地区蔓延 ;在病原研究方面 ,首次发现了我国除姬鼠型和家鼠型以外的汉坦病毒新的血清型。结论 探讨EHF流行规律的演变 ,对制定适时的防治对策提供科学依据。
Aim To find out the change of the epidemic factors of epidemic hemorrhagic fever, the epidemic regularity evolves. Methods Epidemiological, serological and etiological methods were used to analyze the epidemiological characteristics of EHF for decades. Results The changes of epidemic factors of EHF caused a series of changes in the epidemic pattern of EHF. The overall outbreak of epidemic of EHF tended to be stable. Seasonal distribution and population distribution also changed accordingly; epidemic areas and foci spread from low altitude areas to high altitude areas; for the pathogen research, the first discovery of our country in addition to the domestic and domestic mouse type Hantavirus new Serotype. Conclusion The evolution of the epidemic law of EHF is discussed, which provides a scientific basis for formulating timely prevention and control measures.