Effects of Proactive Social Distancing on COVID-19 Outbreaks in 58 Cities, China

• DOI: 10.3201/eid2609.201932
• Publication Date: 2020-06-09T18:52:31Z
• Authors: Zhanwei Du; Xiaoke Xu; Lin Wang; Spencer J. Fox; Benjamin J. Cowling; Alison P. Galvani; Lauren Ancel Meyers
• Keywords: Social distance; 2019-20 coronavirus outbreak; Distancing; Pandemic; Coronavirus

Cities across China implemented stringent social distancing measures in early 2020 to curb coronavirus disease outbreaks. We estimated the speed with which these contained transmission cities. A 1-day delay implementing resulted a containment of 2.41 (95% CI 0.97-3.86) days.