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流行性感冒流行波及的范围广、流行速度快而又有各次大流行之间期的局部蔓延、造成对工农业生产的严重影响,属于应加重点防治的常见病。自本世纪四十年代流感疫苗的效果开始得到科学的证明后,皮内注射、鼻腔滴入等给药途径均被相继肯定、但近年国内外出现的气雾免疫新:疗法,由于短时间可完成大量人群的免疫工作,确是更能适应流感的流行病学特点。
The spread of the epidemic has a wide range of epidemics, and its prevalence is high. However, there is a local spread between the pandemic periods, causing serious impact on industrial and agricultural production. It is a common disease that should be intensified in prevention and control. Since the beginning of the 1940s, the effect of influenza vaccine began to be scientifically proven, intradermal injection, nasal drops and other routes of administration have been affirmed in succession, but in recent years at home and abroad appeared aerosol immune: therapy, due to a short period of time Completing the immunization work for a large number of people is indeed more adaptable to the epidemiological characteristics of the flu.