| | 1 | | | | | 2019 | nCoV 2019 | 6 4 | 2 | SARS | SARS | MERS SARS | SARS | | 2 | | | | | | | | | | | | | 14 | | | | | 14 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |