婴幼儿伤寒病临床表现常不典型,多急性起病,早期常易误诊。本文将我院1968年4月～1984年3月收治的年龄在3岁以下的伤寒、副伤寒53例作分析,并与同期3～14岁组进行比较。临床资料和结果一、病例来源和诊断依据:从1968年4月～1984年3月16年中,我院共收治小儿伤寒、副伤寒832例,其中3岁以下婴幼儿(以下称婴幼组)53例(6.4%)。诊断依据除临床表现外,兼有血、骨髓、大小便培养中任何一项阳性和/或肥达氏反应滴度O和H2次动态观察 Clinical manifestations of infantile typhoid fever is often not typical, more acute onset, often misdiagnosed early. In this paper, our hospital from April 1968 to March 1984 admitted under the age of 3 typhoid fever, paratyphoid 53 cases were analyzed and compared with the same period of 3 to 14 years old group. Clinical data and results First, the source of the case and diagnosis: From April 1968 to March 16, 1984, our hospital received a total of 832 cases of pediatric typhoid and paratyphoid fever, infants under 3 years old (hereinafter referred to as infant group ) 53 cases (6.4%). Diagnostic Basis In addition to clinical manifestations, both blood and bone marrow, urine and urine culture in any positive and / or Widal reaction titers O and H2 dynamic observation