一起人感染H7N9禽流感聚集性病例的流行病学调查

• 作 者: 陈惠欢 麦炜 邓鸿 朱碧柳 陈志鹏
• 机 构: 肇庆市疾病预防控制中心,
• 出 处: 热带医学杂志
• 发表日期: 2014年12期
• 关键词: human infections with avian influenza A (H7N9)virus clustering RT-PCR

目的调查一起人感染H7N9禽流感聚集性病例的流行病学特征,分析病例的感染来源和传播途径。方法收集病例的临床、实验室检测、流行病学等资料,对病例的家庭环境、可疑暴露市场进行现场调查和外环境采样。结果共发现2例病例,病例为堂兄妹关系,病例家庭环境和可疑暴露市场标本均检测出H7N9禽流感病毒。结论 2例病例所在家庭发生一起人感染H7N9禽流感聚集性疫情,由共同暴露引起的可能性大,感染来源为自家饲养的鸡。

Objective To investigate the epidemiological characteristics of a human co-infected with H7N9 bird flu and to analyze the source of the infection and the route of transmission. Methods The clinical, laboratory tests and epidemiological data of cases were collected, and field investigation and external environment sampling of the family environment and suspicious exposure of the cases were conducted. Results A total of 2 cases of H7N9 bird flu virus were detected in 2 cases, cousins ​​and cases, family environment and suspicious exposure to market samples. CONCLUSIONS: Two outbreaks of H7N9 avian influenza were found in the families where two cases were located. The possibility of co-exposure to H7N9 was high, and the infection originated from the chickens raised in their own homes.