1978年向世界卫生组织报告的人间鼠疫病例有766例,其中死亡31例(表1)。而1977年是1447例,死亡67例。总的病例数减少是因为1978年缅甸和越南报道的病例数比1977年统计的病例数低。 1978年非洲和美洲的发病数意外地有所增加,非洲发病195人,死亡12人,而1877年发病141人,死亡30人,美洲1978年发 In 1978, 766 human plague cases were reported to WHO, of which 31 were fatal (Table 1). While in 1977 it was 1,447 and 67 died. The decrease in the total number of cases was due to the lower number of reported cases in Myanmar and Viet Nam in 1978 than in 1977. In 1978, the number of cases in Africa and the Americas increased unexpectedly, 195 in Africa and 12 in the United States, while 141 in 1877 and 30 in the Americas