6 18 | 6 11 | | 6 | 18 | | | | | | | | 18 | | 3 | | | 5 30 | | | | 7 | | | | 90% | 80% | 6 19 | | | | | | | | 24 | | | | 14 | | 14 | | | 14 | | | 18 100 | | 2019 nCoV | PCR | | 2 3 | | | |