Fig. 2From: Assessing the mechanism of citywide test-trace-isolate Zero-COVID policy and exit strategy of COVID-19 pandemicThe COVID-19 daily incidence (a) and cumulative isolated people over time (b). Model validation and simulations of COVID-19 daily new cases (green color) and cumulative isolated individuals (orange color) in the epidemic area of Fujian, China, from September 10 to October 9, 2021. The circles represent observed data. The solid lines and shaded areas represent the median and 95% confidence interval of model simulationsBack to article page