What is the fatality rate for the new coronavirus, and why does it keep changing?
SAN FRANCISCO - If 100 people become infected with the new coronavirus from China, how many will die?
For weeks, it seemed that the answer was 2. Perhaps a little more, perhaps a little less.
The calculation was made by comparing the total number of people with confirmed cases of COVID-19 to the number of people who died of it. As both of those numbers grew, the ratio was
