一起腺病毒引起的呼吸道感染暴发疫情的调查与分析

Investigation and analysis on a respiratory tract infection epidemic outbreak caused by adenovirus

目的探讨一起腺病毒7型急性呼吸道感染暴发的流行特征及病因。方法采用统一的流行病学个案调查表对病例进行调查,描述流行特征,依据初步结论,制定并实施一系列疾控措施;对流行区患者的咽拭子标本进行荧光定量PCR检测。结果某部发生传染性急性呼吸道感染症病例51例,疫情波及整个营区,2月17~21日形成发病高峰。临床特征主要为发热（100.00%）,咳嗽41例（80.39%）,咽痛33例（64.71%）,结膜充血6例（11.76%）,X线检查可发现肺部炎症17例（33.33%）。采取综合性防控措施,疫情迅速控制,24日后无新发病例。结论本起急性呼吸道感染症暴发疫情由腺病毒7型引起,传播途径以呼吸道传播和密切接触为主。

Objective To discuss the characteristics and causes of an acute respiratory tract infection on an adenovirus type 7. Methods Investigated cases by using the same questionnaire,to describe the epidemiological characteristics,according to the preliminary conclusion,formulate and implement a series of disease control measures; to conduct quantitative PCR detection for throat swab specimens with fluorescent of patients in epidemic area. Results 51 cases of acute epidemical respiratory tract infection occurred in a certain unit,the epidemic spreaded to the entire camp,the incidence peaks occurred on the 17th- 21stof February. The clinical characteristics were mainly fever（ 100%）,cough 41 cases（ 80. 39%）,sore throat 33 cases（ 64. 71%）,conjunctival hyperemia 6 cases（ 11. 76%）,lung inflammation 17 cases（ 33. 33%） for X- ray examination.After adopting comprehensive prevention and control measures,epidemics have been controlled rapidly,there are no new cases found since the 24t hof February. Conclusions This acute respiratory tract infection was caused by adenovirus type 7,the route of transmission were mostly through respiratory spread and intimate contact.