传染病在历史上曾给人类造成很大的灾难,进入20世纪,尤其是50年代以来,由于生物医学的进展,人类的疾病谱和死因顺位已发生了很大变化,传染病已经不是影响人类健康与生命的主要疾病。然而,突如其来的SARS重新引起了人们对传染病的关注。由于SARS是一种新型的传染病,其诊断、治疗、预防方法都具有未可知性,因此引起了社会的恐慌,不但对人们的身体健康造成严重 Infectious diseases have caused great human disasters in history. Since the 20th century, especially since the 1950s, due to the advancement of biomedicine, the spectrum of human diseases and the cause of death have changed greatly. Infectious diseases are no longer affected. The main diseases of human health and life. However, the sudden SARS renewed concern for infectious diseases. As SARS is a new type of infectious disease, its diagnosis, treatment, and prevention methods are all unpredictable. As a result, it has caused panic in the society and has not only caused serious damage to people’s health.