流感是流行感冒的简称,是由流行性感冒病毒的急性呼吸道传染病.春季气温忽高忽低,孩子容易患流感,流感的传染范围很广,而且很迅速,一旦染上,便有高热、畏寒、头痛、四肢酸痛、疲乏无力等症状,不久就会出现咽部疼痛、流眼泪、流鼻涕等. Flu is the short name of the flu, is caused by the acute respiratory disease of influenza virus .Sleep temperatures fluctuated in spring, the child susceptible to influenza, flu spread of a wide range, and very quickly, once infected, there will be high fever, Chills, headache, sore limbs, tiredness and other symptoms, and soon pharyngeal pain, tears, runny nose and so on.