The fact of the mysterious pneumonia has been widely spread in HK drives me to do a literature review on the suspected cause (i.e.coronavirus) of the SARS (Severe Acute Respiratory Syndrome).

• 神秘的非典型性肺炎正在香港传播，于是我对引起SARS(严重呼吸综合征）的病因（例如冠状病毒）作了一下研究。