重庆市一起鹦鹉热衣原体肺炎疫情流行病学调查分析  

Epidemiological survey of a case with chlamydia psittaci pneumonia in Chongqing municipality

作　　者：马兰 熊华利 MA Lan;XIONG Hua-li(The Center for Disease Control and prevention of Rongchang District,Rongchang,Chongqing 402460,China)

机构地区：[1]重庆市荣昌区疾病预防控制中心,重庆402460 [2]重庆市荣昌区卫生健康委员会,重庆402460 [3]重庆市荣昌区精神卫生中心,重庆402460

出　　处：《疾病预防控制通报》2024年第3期10-12,16,共4页Bulletin of Disease Control & Prevention(China)

摘　　要：目的了解2022年1月重庆市荣昌区1例鹦鹉热衣原体肺炎病例的流行病学特征,探索病因及影响因素,为鹦鹉热的防控提供参考依据。方法通过电话调查和现场流行病学调查的方法,对病例开展流行病学调查,对病例、密切接触者、环境样本、动物粪便样本开展病原学检测。结果病例男,78岁,超重,患有高血压和血脂异常,因发热、畏寒、咳嗽、全身肌肉酸痛、呼吸困难2 d入院,胸部CT检查提示肺部感染,病例血液和痰培养样本经聚合酶链式反应检测鹦鹉热衣原体阳性;病例有可疑的鸟类交易市场暴露史,潜伏期20 d。共发现密切接触者3人,经7 d居家医学隔离观察后,均未见异常。共检测外环境样本22份,鹦鹉热衣原体核酸检测结果均为阴性。结论该病例可能是因暴露在被鹦鹉热衣原体污染的鸟类交易市场外环境而导致感染;应加强畜禽市场,尤其是鸟类市场的鹦鹉热衣原体监测,加强健康宣传教育,提高公众对鹦鹉热等人兽共患病的知晓率。Objective To analyze the epidemiological characteristics of a case with chlamydia psittaci pneumonia in Rongchang district,Chongqing municipality,explore the etiology and influencing factors,and provide reference for the prevention and control of psittacosis.Methods The epidemiological investigation of the case was carried out by telephone and on-site survey.The pathogens were detected in the samples of the case,close contacts,environmental samples,and animal fecal samples.Results The case was an old man aged 78 years,and was overweight and suffered from hypertension and dyslipidemia.This case was admitted to hospital due to the symptoms of fever,intolerance of cold,cough,whole body muscle soreness and dyspnea for 2 days.The examination results of chest CT showed pulmonary infection.The blood and sputum culture samples were tested positive for chlamydia psittaci by polymerase chain reaction.This case had suspected exposure history to a bird trading market,with an incubation period of 20 days.A total of 3 close contacts were identified,without abnormalities after 7 days medical isolation and observation at home.Totally 22 environmental samples were collected,and the chlamydia psittaci was negative after the nucleic acid testing.Conclusions This case may be infected due to exposure to the external environment of a bird trading market contaminated with chlamydia psittaci.The monitoring of chlamydia psittaci in livestock and poultry markets,especially in bird markets should be strengthened.The health publicity and education should be enhanced to raise the public awareness of psittacosis and other zoonotic diseases.

关 键 词：鹦鹉热 鹦鹉热衣原体 流行病学调查 人兽共患病 

分 类 号：R518.1[医药卫生—内科学] R181.8[医药卫生—临床医学]