普通感冒鼻咽部症状较重。鼻病毒和冠状病毒是普通感冒最重要的病原体,一半以上的呼吸道感染都与之相关。流行性感冒简称流感,起病急,有传染性,症状易变,以全身中毒病状为主,呼吸道症状较轻。幼儿和年老体弱者会继发细菌感染,需使用抗菌素治疗。流感变异性强,最好每年接种最新的流感疫苗。 Common cold nasopharyngeal symptoms heavier. Rhinovirus and coronavirus are the most common pathogens in the common cold and more than half of them are related to respiratory infections. Influenza referred to as influenza, acute onset, infectious, variable symptoms, the main symptoms of systemic poisoning, mild respiratory symptoms. Toddlers and frail elderly will be secondary to bacterial infection, the need to use antibiotic treatment. Flu variability is strong, the best annual flu vaccination.