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当分子生物学家对新的冠状病毒的基因组序列进行最后的努力时 ,流行病学家们还在对该病毒是如何、为何引起疾病的发生这一系列基本问题进行沉思。重症急性呼吸综合征 (SARS)已经在亚洲以及其他地区的人群中播散。传染和感染发作之间的周期有多长 ?患者保持有传染能力的时间有多
As molecular biologists make last-minute efforts to sequence the genome of new coronaviruses, epidemiologists are still mulling over the basic set of questions about how and why the virus causes the disease. Severe Acute Respiratory Syndrome (SARS) has spread to people in Asia and beyond. How long does the cycle between infection and infection and how long does the patient have the ability to transmit?