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麻疹是全身性疾病,当易感者吸入麻疹患者鼻咽部分泌物或含有病毒的飞沫后,麻疹病毒在局部黏膜短期繁殖;此后病毒在远处器官的单核巨噬细胞系统中复制活跃,在感染后第5~7天,病毒大量进入血液,并出现在鼻咽分泌物、尿及血液等分泌物和体液中,此时传染性最强~([1-3])。如果患者没有及时采取隔离控制措施,麻疹病毒极易通过各种途径传给接触人群和易感人群,引起麻疹的暴发流行~([4])。5年来,麻疹一直是呼吸道传染病的主要报告病种,
Measles is a systemic disease that causes the measles virus to reproduce shortly in the local mucosa when the susceptible inhales the nasopharyngeal secretions or droplets of the virus from measles patients; the virus then replicates actively in the mononuclear phagocyte system of distant organs In the first 5 to 7 days after infection, a large number of viruses enter the blood and appear in secretions and fluids such as nasopharyngeal secretions, urine and blood, when the most contagious ~ ([1-3]). If the patient fails to take timely isolation control measures, the measles virus can easily be transmitted to both exposed and susceptible populations in various ways, causing a measles outbreak. [4] Measles has been the major reported disease of respiratory infectious disease for five years,