An Epidemiological Study for on Outbreak of Typhoid Fever in Busan Area

부산 일부지역에 유행한 장티푸스 환자에 대한 역학적인 조사

An epidemiological study was conducted, from April 28 to June 3, 1975, to investigate source and course of infection of typhoid fever occurred in Munhyeon Dong, Nam Gu, Busan. The obtained results were as follows: 1. The entity of unknown febrile disease was identified as Salmonella typhi, D group and it's symptoms were abdominal pain, diarrhea, hepatomegaly, nausea and vomiting, aplenomegaly, rose spots, tenderness of ileocecal region etc., in that order. 2. The average duration from onset to recovery was 25.2 days and incidence rate was 39.5 per 1,000 population. 3. The source of infection was presumed a charity patient. 4. By the duration of report on the cases from onset, 10-19 days group was the highest. 5. The positive rate of initial stool culture was 38.9% and secondary was 5.6%. 6. Distribution of the cases by age and sex showed that 5-9 years old group was the highest as 30.5%, and male was higher than female. 7. Distribution of the cases by education level, under primary school as 66.6% was the highest. By the living standard, the highest was low income earner group as 77.8%. 8. Utilization rate of medical facilites was drug store (41.7%), herbal drug (8.3%), clinic (5.6%) in that order.

부산시 남구 문현동 고지대 일원에서 유행한 장티푸스의 전염원과 감염경로를 규명하고 그 관리사업을 1975년 4월 28일부터 동년 6월 3일까지 실시하여 얻은 결과는 다음과 같다. 1. 원인불명의 고열질환은 장티푸스로 동정되었으며 주증상은 복통, 설사, 간장비대, 오심 구토, 비장비대장미진, 회맹부압통등이었다. 2. 평균이병기간은 25.2일이었고 발생율은 1000명당 35.6였다. 3. 장티푸스유행의 전염원은 행려환자로 추정되었다. 4. 발병으로 부터 신고까지의 기간은 $10{\sim}19$일사이가 제일 많았다. 5. 1차 대변배양검사 양성은 38.9%였고 2차 검사성적은 5.6%였다. 6. 연령별 발생분포는 $5{\sim}9$세군이 30.5%로 가장 높았으며 남녀 발생비는 남자가 여자보다 약간 높았다. 7, 교육정도는 국민학교 이하가 66.6%, 생활정도로는 저소득층이 77.8%로 각각 최고율을 점하고 있다. 8. 발병후 의료시설의 이용은 약국이 제일 높고 다음이 한약방, 의원의 순서였다.