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目的调查深圳市某儿童福利院一起细菌性痢疾疫情的流行特征,探讨其危险因素,以采取有效的控制措施。方法按照病例定义搜索病例,描述疾病三间分布并开展相关危险因素的调查分析。结果 2015年8月23日至2015年10月27日共搜索到病例28例,首例病例发病时间9月1日,发病高峰10月9-13日;末例病例10月20日。302室发病18人,罹患率为94.7%(18/19);观2室发病7人,罹患率为41.2%(7/17);四楼隔离室发病3人,罹患率为27.3%(3/11)。结论未尽早隔离病例、未及时报告及消毒、护理操作不规范是此次疫情的主要危险因素,及时发现新发病例、严格执行隔离措施可有效控制疫情。
Objective To investigate the epidemiological characteristics of bacterial dysentery in a child welfare center in Shenzhen and explore its risk factors in order to take effective control measures. Methods According to the case definition search cases, describe the distribution of the three diseases and carry out relevant risk factors survey and analysis. Results A total of 28 cases were searched from August 23, 2015 to October 27, 2015, the first case onset time on September 1, the peak incidence of October 9-13; the last case of October 20. There were 18 patients in Room 302, with an attack rate of 94.7% (18/19). In Room 2, 7 patients were found, with an attack rate of 41.2% (7/17). There were 3 patients in isolation room on the fourth floor with an attack rate of 27.3% / 11). Conclusion The cases were not isolated as soon as possible and were not reported and disinfected promptly. The non-standard nursing operation was the main risk factor of the outbreak. New cases were detected in time and the isolation measures were strictly implemented to effectively control the outbreak.