新英格兰医学杂志新论文，1月前47案例
https://www.nejm.org/doi/full/10... query=featured_home
Onset of Illness among the First 425 Confirmed Cases of Novel Coronavirus (2019-nCoV)–Infected Pneumonia (NCIP) in Wuhan, China.The decline in incidence after January 8 is likely to be due to delays in diagnosis and laboratory confirmation. China CDC denotes Chinese Center for Disease Control and Prevention, NHC National Health Commission of the People’s Republic of China, PCR polymerase chain reaction, WHC Wuhan Health Commission, and WHO World Health Organization.
no of cases表格可知
第一个患者与华南海鲜市场无关，1月1号后与华南海鲜市场无关的案例超过有关的案例。
