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流行性感冒(influenza简称流感)是由流感病毒引起的急性呼吸道传染病,病原体为甲、乙、丙三型流行性感冒病毒,多经飞沫传播,临床上有急性起病、高烧、乏力、全身肌肉酸痛、咳嗽等呼吸道症状,病程短,老年人和伴有慢性呼吸道疾病、心脏病、脑血管病后遗症卧床患者易并发肺炎等特点。流感病毒,尤以甲型极易变异,往往造成暴发、流行或大流行。自本世纪以来已有五次世界性大流行的记载,死亡率高。我国从1953至1976年已有12次
Influenza (influenza referred to as influenza) is caused by the influenza virus, an acute respiratory disease, pathogens for influenza virus type A, B, C three types of viruses, and more by the droplets spread, the clinical acute onset, fever, fatigue, Systemic muscle soreness, cough and other respiratory symptoms, short course, the elderly and accompanied by chronic respiratory diseases, heart disease, cerebrovascular disease complications of bedridden patients complicated with pneumonia and other characteristics. Influenza viruses, especially Type A variants, often cause outbreaks, epidemics, or pandemics. Five world-wide pandemics have been documented since the beginning of this century, with high mortality rates. Our country has been 12 times from 1953 to 1976