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佳木斯市1974～1985年EHF流行的规律是,继第一次流行高峰年之后,间隔5yr进入本次流行高峰阶段,并呈现发病率明显增高的趋势;流行季节是10～12月,出现明显的秋峰,该现象与鼠密度相关;本地优势鼠种与文献报道一致,但室内、外EHF的储存宿主有交叉重叠现象,是疫区长期存在并不断扩大的主要原因;通过EHF患者血清抗体测定,发现病后,血清抗体滴度随病程延长而增长,发病4wk以后检测血清抗体,阳性率可达100%。
The prevailing law of EHF from 1974 to 1985 in Jiamusi City is that after the first peak year, the interval of 5yr has entered the peak of this epidemic, and the incidence of EHF shows a marked increase. The epidemic season is from October to December, with obvious Autumn peak, the phenomenon is related to the density of rats. The local dominant species are consistent with those reported in the literature. However, the storage hosts of both indoor and outdoor EHF overlap and overlap, which is the main reason for the long-term existence and continuous expansion of EHF. , Found that after the disease, the serum antibody titer increased with the extension of the course of the disease, the incidence of serum antibodies after 4wk detection, the positive rate of up to 100%.