摘要
1956年～1995年临沂市共发生伤寒病人9118例，死亡70例．年平均发病率为2．47／10万．病死率为0．77％；发病具有明显的周期性和季节特性；年龄主要集中在10～35岁年龄段，占73．17％；农民和中、小学生是主要的发病人群，占76．46％；平原伤寒发病率高于山区；临床特征由典型转为不典型，近几年流行菌株主要有M1、Q2两个噬菌体型。
From 1956 to l995. there are 9118 casese of typhoid fever at all in linyi. Its year morbidity rate averages 2. 47 per 100. 00, fatality rate 0. 77%, its happening has obviously periodic and seasonal: the majority is mainly from 1O to 35 (73. 17% ) years old. The vnlnerable people are peasants, primary and middle school students (76. 46%). The morbidity rate on the plain is higher than that on the hilly land , and its clinical characteristics often appear from specific to nonspecific. The epidemic isolates in recent years are chiefly M1, and D2 phage cleavage spectrums
出处
《临沂医学专科学校学报》
1997年第2期91-93,共3页
Journal of Linyi Medical College
关键词
伤寒
流行病学
发病率
Typhoid Fever
Epidemiology
Morbidity Rate
