本文报告应用小量氯霉素配合嗜伊紅白血球計数和嗜伊紅白血球减低測验治疗64例伤寒病的初步观察。当病人入院后,一經診断为伤寒病,随即开始服用氯霉素,每六小时口服0.25克(合霉素0.50克),服至体溫正常后2~3日,休药一星期,休药期完毕后,第二次給药与否,給药时间的长短則完全按照嗜伊紅白血球計数和嗜伊紅白血球减低測验的数值而 This article reports the application of a small amount of chloramphenicol with eosinophil count and eosinophilia reduction test for the treatment of 64 cases of typhoid fever. When the patient was admitted to the hospital, once the diagnosis of typhoid fever, chloramphenicol immediately began to take oral administration, 0.25 g every 6 hours (0.50 grams of co-fungus), served until normal body temperature 2 to 3 days, After the completion of the second dose or not, the length of time administered in full accordance with the eosinophilic white blood count and eosinophilic reduction test values