预防流感必须采用综合性措施,才能达到控制流行,降低发病率的目的。本文只介绍已经实际应用的几种预防制剂,供参考。一、口服流感活疫苗流感活疫苗经口服接种比滴鼻接种的反应率低。动物试验证明,滴鼻感染的病毒是有毒力的,如再口服时,表现毒力下降。因此,甚至可以用有毒病毒株作口服疫苗,这 Prevention of influenza must adopt comprehensive measures in order to achieve the purpose of controlling epidemics and reducing morbidity. This article describes only the practical application of several preventive agents for reference. First, oral live flu live flu vaccine vaccination than intranasal vaccination response rate is low. Animal tests have shown that nasal infection of the virus is toxic, such as re-oral, the performance of virulence decreased. Therefore, oral vaccines can even be used with virulent strains of virus