We don't know the mortality rate yet. Most of the confirmed cases are too recent for the illness to have killed the patients, so expressing the mortality rate a

We don't know the mortality rate yet. Most of the confirmed cases are too recent for the illness to have killed the patients, so expressing the mortality rate as (deaths / confirmed cases) is incorrect. We are also not sure how many people are dying as a result of complications caused by this illness. The current reported death rate is based on people killed as a direct result of the illness.