Fig. 3From: Evaluation of China’s Hubei control strategy for COVID-19 epidemic: an observational studyEstimation of time-varying effect of Hubei control strategy. a The fitted performance of our dynamic model (see dynamic model I in Additional file 1: Section S2.3). b Change of estimated relative risk over time, comparing between Hubei control strategy and non-Hubei control strategy (as reference). c Comparison of index of control effectiveness between all study prefecturesBack to article page