作者测定了七组人群(A组由腹泻病人组成;B组为弯曲细菌肠炎病人的同家密切接触者,且本身也有急性腹泻;C组也为弯曲细菌肠炎的同家密切接触者,但无腹泻症状;D组为无症状的医院工作人员或大学生及性病或产科病人;E组为无症状的男性同性恋所致性病者;F组由随机选择的无症状儿童和新生儿组成;G组为未经抗菌素治疗 The authors tested seven groups of patients (group A consisted of patients with diarrhea; group B was closely inter-contacted with patients with benign bacterial enteritis and also had acute diarrhea itself; group C was also close contacts of the same family with benign bacterial enteritis, but none Diarrhea; group D asymptomatic hospital staff or college students and sexually transmitted diseases or obstetric patients; group E asymptomatic male homosexuality-induced disease; group F consists of randomly selected asymptomatic children and newborns; group G Without antibiotic treatment