In China , estimates for the death-to-case ratio decreased from 17.3 per cent ( for those with onset of symptoms from 1to 10 January 2020 ) to 0.7 per cent ( for those with onset of symptoms after 1February 2020 ) .Other measures include the case fatality rate ( CFR ) , which reflects the percentage of diagnosed people who die from a disease , and the infection fatality rate ( IFR ) , which reflects the percentage of infected ( diagnosed and undiagnosed ) who die from a disease .
Estimates for the death-to-case ratio due to coronavirus was lower than 17.5 % .