Severe Acute Respiratory Syndrome (SARS), a type of acute infectious disease of respiratory tract, is caused by SARS virus and spread through near flying spittle and close-contact.

• 严重急性呼吸综合症(Severe acute Respiratory Syndrome, SARS)是指由SARS病毒所致的,主要通过近距离空气飞沫和密切接触传播的一种急性呼吸道传染病。