2020 Volume 72 Issue 2 Pages 139-140
Timeline statistics of the accumulated total counts of the deceased and infected with COVID-19 in China from January through March 2020 has revealed a characteristic feature in the transitional lethal rate (accumulated total count of the dead divided by the accumulated total count of confirmed infection) that has a temporally local minimum sometime eight day before the appearance of the peak of the fatality. Such a characteristic is also found in the theoretical model that uses fitting sigmoid functions.