From February 21, 2020

The good news is we had another day of low incidence of cases. That bad news is that the case fatality rate has been climbing. This could represent that those who have been ill that had not yet succumbed to their illness, In most people, the disease is the most severe on about day 7 of the onset of symptoms. For those that make it to day 11, they are on their way to recovery.
Disclaimer: This commentary is my own interpretation and does not represent the analysis by the government or my employer. The data is from the Johns Hopkins University’s Center for Systems Science and Engineering.