某地1989 年3月底前,牛间未发生明显的流行病,只有与常年相当的牛流产和个别牛的死亡。此时,相互无关的几个乡镇,人间突然呈户点状式地出现近百例急性肠炭疽病人,其临床症状极为特殊(发病急骤、出血严重、体温不高、病死率高)。造成首次流行。6月人间疫情平熄,但狗和马中出现炭疽病的流行,7 Somewhere before the end of March 1989, no obvious pandemic occurred among cattle. Only bovine abortions and individual cows died in perennial age. At this moment, several towns and townships that have nothing to do with each other, suddenly appeared in the world with almost 100 cases of acute intestinal anthrax. Their clinical symptoms are extremely special (sudden onset, severe bleeding, low body temperature and high case fatality rate). Caused the first popular. In June, the outbreak of the epidemic was quiescent, but the epidemic of anthrax appeared in dogs and horses