Before revision: Drastic difference in the COVID-19  infection and fatality counts , observed between Hubei (Wuhan) and other Mainland China provinces raised public controversies.
After revision: A number of models in mathematical epidemiology have been developed to account for control measures such as vaccination or quarantine. However, COVID-19 infection and fatality counts , observed between Hubei (Wuhan) and other Mainland China provinces raised public controversies.