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本文报告了１９９３年１１～１２月，安仁某村发生一起外源性伤寒、副甲伤寒暴发流行的调查情况。结果表明，患病率７．２６％。其中小学生占７８．５７％，村民２１．４３％。病原学检查：各标本捡出伤寒杆菌（Ｏ＿（９，１２）Ｈｄ）６株，副甲伤寒杆菌（Ｏ＿（１，２，１２）Ｈａ）２株。本次流行病程６～１４天，流行期２４天。初期属生活密切接触传播，中末期以水型传播为主。该地人群缺乏伤寒群体免疫力是疫情蔓延的主要因素。
This article reports the investigation of an epidemic of typhoid and paratyphoid fever in Anren village from November to December 1993. The results showed that the prevalence was 7.26%. Among them, primary school students accounted for 78.57% and villagers 21.43%. Etiological examination: 6 strains of Salmonella typhi (O_ (9,12) Hd) and 2 strains of Salmonella parathyroides (O_ (1,2,12) Ha) were isolated from each specimen. The epidemic duration of 6 to 14 days, the popular period of 24 days. In the early period of life, close contact with the spread, in the late to water-based dissemination. The absence of typhoid populations in this area is a major factor in the spread of the epidemic.