Results
The trend of COVID-19 in Wuhan city and Hubei Province
As of March 26, 2020, the cumulative confirmed COVID-19 cases are 50,006 in Wuhan and 67,801 in Hubei. The cumulative confirmed cases and death toll in Wuhan accounted for 73.75% and 79.87% of that in Hubei, respectively. Thus the curve of Wuhan is similar to that of Hubei (Figure 3). The daily number of new confirmed cases significantly increased between Jan 21 and Feb 4, 2020, then plateaued between February 4 and February 11. A peak of 14,840 daily increment in Hubei was reported on February 12. The daily number of new confirmed cases continued to decrease in recent days. On March 26, 2020, the daily new confirmed cases was 0 in Hubei. In terms of death, the death toll increment in Hubei peaked and plateaued between February 12 and February 23, and dropped markedly later. Recently the daily new deaths were less than 10 in nationwide. The number of severe pneumonia cases in Hubei continued to decrease significantly. The case fatality ratio (CFR) was 5.07% in Wuhan and 4.68% in Hubei.