Surveillance is critical for the prevention and control of infectious disease.China’s real-time web-based infectious disease reporting system is a distinguished achievement.However,many aspects of the current China I...Surveillance is critical for the prevention and control of infectious disease.China’s real-time web-based infectious disease reporting system is a distinguished achievement.However,many aspects of the current China Infectious Disease Surveillance System do not yet meet the demand for timely outbreak detection and identification of emerging infectious disease.PulseNet,the national molecular typing network for foodborne disease surveillance was first established by the Centers for Disease Control and Prevention of the United States in 1995 and has proven valuable in the early detection of outbreaks and tracing the pathogen source.Since 2001,the China CDC laboratory for bacterial pathogen analysis has been a member of the PulseNet International family;and has been adapting the idea and methodology of PulseNet to develop a model for a future national laboratory-based surveillance system for all bacterial infectious disease.We summarized the development progress for the PulseNet China system and discussed it as a model for the future of China’s national laboratory-based surveillance system.展开更多
目的应用脉冲场凝胶电泳(pulsed-field gel electrophoresis,PFGE)分子分型技术分析时间上高度集中的散发腹泻病例,发现可能的聚集性,并进行流行病学调查和追溯。方法利用已建立的北京市肠道多病原分子分型监测系统,采集腹泻病例粪便标...目的应用脉冲场凝胶电泳(pulsed-field gel electrophoresis,PFGE)分子分型技术分析时间上高度集中的散发腹泻病例,发现可能的聚集性,并进行流行病学调查和追溯。方法利用已建立的北京市肠道多病原分子分型监测系统,采集腹泻病例粪便标本进行病原菌分离培养、生化鉴定、血清凝集、药敏试验及PFGE分子分型。结果2012年5月2-7日连续一周内,从北京市某区(县)肠道门诊采集的22份腹泻病例粪便标本中分离到9株沙门菌,血清学鉴定为阿贡纳沙门菌。XbaⅠ酶切的PFGE带型一致,与中国细菌性传染病分子分型实验室监测网络(PulseNet China)中心数据库及各地区网络实验室数据比对分析后,确认该带型为一新的图谱带型,编码为JABX01.CN0072。结论 9例阿贡纳沙门菌感染病例的发病时间和地理分布高度集中,且PFGE带型聚集成簇,提示感染菌株具有同一克隆来源。随后的流行病学调查和感染来源分析,虽并未发现共同暴露因素,但说明PFGE技术的应用可以提高监测的敏感性,应长期持续的进行病原菌分子分型监测,进一步完善PulseNet网络和运行机制。展开更多
文摘Surveillance is critical for the prevention and control of infectious disease.China’s real-time web-based infectious disease reporting system is a distinguished achievement.However,many aspects of the current China Infectious Disease Surveillance System do not yet meet the demand for timely outbreak detection and identification of emerging infectious disease.PulseNet,the national molecular typing network for foodborne disease surveillance was first established by the Centers for Disease Control and Prevention of the United States in 1995 and has proven valuable in the early detection of outbreaks and tracing the pathogen source.Since 2001,the China CDC laboratory for bacterial pathogen analysis has been a member of the PulseNet International family;and has been adapting the idea and methodology of PulseNet to develop a model for a future national laboratory-based surveillance system for all bacterial infectious disease.We summarized the development progress for the PulseNet China system and discussed it as a model for the future of China’s national laboratory-based surveillance system.
文摘目的应用脉冲场凝胶电泳(pulsed-field gel electrophoresis,PFGE)分子分型技术分析时间上高度集中的散发腹泻病例,发现可能的聚集性,并进行流行病学调查和追溯。方法利用已建立的北京市肠道多病原分子分型监测系统,采集腹泻病例粪便标本进行病原菌分离培养、生化鉴定、血清凝集、药敏试验及PFGE分子分型。结果2012年5月2-7日连续一周内,从北京市某区(县)肠道门诊采集的22份腹泻病例粪便标本中分离到9株沙门菌,血清学鉴定为阿贡纳沙门菌。XbaⅠ酶切的PFGE带型一致,与中国细菌性传染病分子分型实验室监测网络(PulseNet China)中心数据库及各地区网络实验室数据比对分析后,确认该带型为一新的图谱带型,编码为JABX01.CN0072。结论 9例阿贡纳沙门菌感染病例的发病时间和地理分布高度集中,且PFGE带型聚集成簇,提示感染菌株具有同一克隆来源。随后的流行病学调查和感染来源分析,虽并未发现共同暴露因素,但说明PFGE技术的应用可以提高监测的敏感性,应长期持续的进行病原菌分子分型监测,进一步完善PulseNet网络和运行机制。
