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截至2016年,河北省鼠疫自然疫源地共发生动物间鼠疫流行4次[以检出鼠疫耶尔森菌(鼠疫菌)为准],平均约10年发生1次。1984年距上个流行年长达12年,距下个流行年长达10年,处于2个流行年度中间,通过对鼠疫进行监测,未检出鼠疫菌,但疫源地1只沙狐血清鼠疫抗体呈阳性。而1984年是否为动物间鼠疫流行仍存在争议,故对沙狐血清鼠疫抗体阳性情况进行回顾性调查研究。1材料与方法1.1样本来源为1984年5月在河北省康保县牧场鼠疫监
As of 2016, a total of 4 epidemics of plague occurred in the plague natural foci of Hebei Province [to detect Yersinia pestis (Yersinia pestis)), which occurred on average about 10 years. 1984 years from the last popular up to 12 years, from the next popular year for up to 10 years, in the middle of two popular years, through the monitoring of the plague, Y. pestis was not detected, but the foci 1 sand Fox serum Plague antibody is positive. However, whether there was controversy over the epidemic of plague among animals in 1984, a retrospective study was conducted on the positive results of the sand-fox serum plague antibodies. 1 Materials and methods 1.1 The source of the sample was May 1984 epidemic in Ranch, Hebei Province, Kangbao County