某综合性医院传染性非典型肺炎医院内感染的流行病学调查
关键词：传染性非典型肺炎
Survey on one event of SARS nosocomial infection in a general hospital in Beijing
HE Yao, JIANG Yong, NI Bing, XING YuBin, ZHONG GuangLin, FEI YeChun, WANG Lei, SUN ZhengJi, CHANG Qing, SUO JiJiang, CHEN ShiPing, LIU ZhenLi, SU YuanFu, ZHU ShiJun
1Institute of Geriatrics, 2Institute of Hospital Administration, Chinese PLA General Hospital, Beijing 100853, China
【Abstract】 AIM: To study the epidemiological characteristics and route of transmission of SARS nosocomial infection. METHODS: Thirtyfour definite SARS patients (10 inpatients and 24 health care workers) were selected from a general hospital in March and April of 2003. Individual and environment surveys were carried out by a standardized questionnaire of China CDC. Contact history with SARS patient, place and route of infection, and method of protection were included in the survey. RESULTS: (1) Epidemiological characteristics: ① There were 2 peaks of incidence (in mid and end of Mar). ② Distributions by places were confined to Ward 4, 5, 6 on the 7, 8, 12, 13 and 14 floors in west unit of the inpatient building. ③ Among the SARS cases, the inpatients were most elders who had severe original diseases, while the medical staffs were young and middleaged. (2) Source of transmission: Index patients were the first generation source of transmission, and the secondary attacked inpatients and medical staffs were the second generation. (3) Route of transmission: The major transmission routes were near space droplet infection and close contact infection. There was also the probability of aerosol or droplet nuclei infection through aircondition and ventilation system. (4) Evaluation of measures of prevention and control: Many measures were carried out, such as control and isolation of the source of transmission, setup of fever clinic and medical observation area, isolation and
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