最近Wyruh等报告了苏联北部边缘地区一个点的假结核流行情况。1971年首次大暴发,1972～1974年连年均有暴发流行,发病率为3959/10万。春夏季发病最多,占登记病例的58.3～88.8％,其他月分发病均少。1975～1976年发病率显著降低,全年各月分仅见偶发病例。1977年又出现流行,6～8月登记的病例数为全年的46.7％。1978～1981年发病率又明显下 Wyruh et al. Recently reported the prevalence of a pseudotuberculosis at a single point on the northern fringe of the Soviet Union. The first major outbreak in 1971, 1972 ~ 1974 annual outbreaks have occurred in successive years, the incidence rate of 3959/10 million. The most incidence in spring and summer, accounting for 58.3% to 88.8% of registered cases, the other month less incidence. The incidence was significantly reduced from 1975 to 1976, and sporadic cases were observed in all months of the year. The epidemic occurred again in 1977 and the number of cases registered in June-August was 46.7% of the whole year. The incidence of 1978 ~ 1981 was significantly lower