四川省首起人间鼠疫流行病学分析

The epidemiological analysis of first human plague cases in Sichuan province

目的 探讨四川省首起人间鼠疫的流行特征。方法 回顾性调查与分析。结果 1该疫情系由鼠疫菌所致 ,共发病及死亡 5人 ;2首例死者因剥取自毙猞猁皮而感染腺鼠疫继发肺鼠疫 ,其余为直接接触病人后原发肺鼠疫 ;3流行过程自 7月 16～ 2 6日共计 11d;4潜伏期约 3 d,最短为 2 d,最长为 6 d。结论 这起人间肺鼠疫疫情在四川省首次突然发生且流行较猛烈 。

Objective To discuss the epidemiological characteristics of the first cases of human plague in Sichuan province.Methods Retrospective survey and analysis.Results ①These human plague cases were caused by plague bacteria,and altogether 5 persons were attacked and died.②The first case died of pneumonic plague secondary to bubonic plague,and the victim was infected while taking off the fur from the dead lynx.③The epidemiological process had lasted for 11 days altogether,from July 16 to 26.④The average incubation period was about 3 days,with 2 days the shortest and 6 days the longest.Conclusions The sudden and vigorous occurring of the pneumonic plague for the first time in our province indicates that plague epidemic had already entered an active stage in the endemic areas of Sichuan province.