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严重急性呼吸综合征(SARS)是最近发生的一种新的人类疾病。因为SARS的传染性强、有一定死亡率,目前全球科学家正全力研究防治方法,其病原体是研究的焦点。2003年4月16日,WHO宣布一种新的冠状病毒——SARS相关冠状病毒(SCV)为其病原体。根据Rivers修订的关于病毒性疾病的郭霍法则(Koch’s postulates),确定某种疾病的病原体必须符合6个基本准则:(1)从患病宿主中能分离到该病毒;(2)宿主细胞能培养该病毒;(3)该病原体体积
Severe Acute Respiratory Syndrome (SARS) is a recent new human disease. Because SARS is contagious and has a certain mortality rate, at present, scientists all over the world are studying prevention and treatment methods, and their pathogens are the focus of research. On April 16, 2003, WHO announced a new coronavirus, SARS-associated coronavirus (SCV), as its causative agent. According to Rivers revised Koch’s postulates, pathogens identified for a disease must meet six basic criteria: (1) the virus can be isolated from the affected host; (2) the host cell can Cultivate the virus; (3) the volume of the pathogen