暴发疫情是指14天内在小范围（如一个家庭、一个工地、一栋楼同一单元等）发现2例及以上确诊病例，病例间可能存在因密切接触导致的人际传播或因共同暴露感染的可能性。 [1]
History of patient contact was the risk factor of this event. Identifying and isolating the patient in time were the significant measures to control the outbreak of influenza.
结论该事件为由季节性H1N1型流感病毒引起的暴发疫情;病人接触史为此次暴发的危险因素;早期发现、及时隔离治疗病人是控制流感暴发的重要措施。
参考来源 - 广州大学城流感暴发疫情及其危险因素Logistic回归分析·2,447,543篇论文数据，部分数据来源于NoteExpress
同时，努力做到今年法定报告传染病总发病率有所降低，暴发疫情规范调查处置率达到100%。
Meanwhile, efforts to achieve the statutory report this year decreased the incidence of infectious diseases, outbreak investigation regulate disposal rate of 100%.
结果：突发公共卫生事件应急处理机制的建立与应用，对救灾防病和传染病暴发疫情的控制效果显著。
Results: They show that the establishment and application of immunologic mechanism for emergency of public health are very effective in providing disaster relief and controlling epidemic situation.
在邻国尼日利亚，2月8日正式确认该国北部地区暴发疫情，但据目前所知，疫情在几乎1个月之前即已出现。
In neighbouring Nigeria, an outbreak in the northern part of the country was officially confirmed on 8 February, but is now known to have begun almost a month earlier.
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