上呼吸道感染简称上感,俗称感冒,是对整个上呼吸道受到感染的总称。上呼吸道包括鼻腔、鼻窦、鼻咽部、咽部和喉部。如果是某一部位发炎,即鼻炎、咽炎或喉炎。上呼吸道感染主要是由病毒引起的,其中最常见的是鼻病毒、流感病毒、呼吸道合胞病毒、柯萨奇病毒、埃 Upper respiratory tract infection referred to as flu, commonly known as cold, is the general term for the upper respiratory tract infection. The upper respiratory tract includes the nasal cavity, sinuses, nasopharynx, pharynx and throat. If it is a site of inflammation, rhinitis, pharyngitis or laryngitis. Upper respiratory tract infections are caused mainly by viruses, the most common of which are rhinoviruses, influenza viruses, respiratory syncytial virus, coxsackievirus,