据一个国际研究小组称，中国COVID-19流行的前50天采取的控制措施，可能将病毒向武汉以外城市的传播推迟了数日，并在全国范围内防止70多万例感染。

China's control measures may have prevented 700,000 COVID-19 cases

https://www.sciencedaily.com/releases/2020/03/200331130012.htm

Huaiyu Tian, Yonghong Liu, Yidan Li, Chieh-Hsi Wu, Bin Chen, Moritz U. G. Kraemer, Bingying Li, Jun Cai, Bo Xu, Qiqi Yang, Ben Wang, Peng Yang, Yujun Cui, Yimeng Song, Pai Zheng, Quanyi Wang, Ottar N. Bjornstad, Ruifu Yang, Bryan T. Grenfell, Oliver G. Pybus, Christopher Dye. An investigation of transmission control measures during the first 50 days of the COVID-19 epidemic in China. Science, 2020; eabb6105 DOI: 10.1126/science.abb6105